256328100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 432

約数和(自身を含む): 1007435520

約数和(自身を除く): 751107420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 25, 28, 29, 30, 35, 36, 42, 45, 46, 50, 58, 60, 61, 63, 69, 70, 75, 84, 87, 90, 92, 100, 105, 115, 116, 122, 126, 138, 140, 145, 150, 161, 174, 175, 180, 183, 203, 207, 210, 225, 230, 244, 252, 261, 276, 290, 300, 305, 315, 322, 345, 348, 350, 366, 406, 414, 420, 427, 435, 450, 460, 483, 522, 525, 549, 575, 580, 609, 610, 630, 644, 667, 690, 700, 725, 732, 805, 812, 828, 854, 870, 900, 915, 966, 1015, 1035, 1044, 1050, 1098, 1150, 1218, 1220, 1260, 1281, 1305, 1334, 1380, 1403, 1449, 1450, 1525, 1575, 1610, 1708, 1725, 1740, 1769, 1827, 1830, 1932, 2001, 2030, 2070, 2100, 2135, 2175, 2196, 2300, 2415, 2436, 2562, 2610, 2668, 2745, 2806, 2898, 2900, 3045, 3050, 3150, 3220, 3335, 3450, 3538, 3654, 3660, 3843, 4002, 4025, 4060, 4140, 4209, 4270, 4350, 4575, 4669, 4830, 5075, 5124, 5175, 5220, 5307, 5490, 5612, 5796, 6003, 6090, 6100, 6300, 6405, 6525, 6670, 6900, 7015, 7076, 7245, 7308, 7686, 8004, 8050, 8418, 8540, 8700, 8845, 9135, 9150, 9338, 9660, 9821, 10005, 10150, 10350, 10614, 10675, 10980, 12006, 12075, 12180, 12383, 12627, 12810, 13050, 13340, 13725, 14007, 14030, 14490, 15225, 15372, 15921, 16100, 16675, 16836, 17690, 18270, 18300, 18676, 19215, 19642, 20010, 20300, 20700, 21045, 21228, 21350, 23345, 24012, 24150, 24766, 25254, 25620, 26100, 26535, 27450, 28014, 28060, 28980, 29463, 30015, 30450, 31842, 32025, 33350, 35075, 35380, 36225, 36540, 37149, 38430, 39284, 40020, 40687, 42021, 42090, 42700, 44225, 45675, 46690, 48300, 49105, 49532, 50025, 50508, 53070, 54900, 56028, 58926, 60030, 60900, 61915, 63135, 63684, 64050, 66700, 70035, 70150, 72450, 74298, 76860, 79605, 81374, 84042, 84180, 88389, 88450, 91350, 93380, 96075, 98210, 100050, 105225, 106140, 111447, 116725, 117852, 120060, 122061, 123830, 126270, 128100, 132675, 140070, 140300, 144900, 147315, 148596, 150075, 159210, 162748, 168084, 176778, 176900, 182700, 185745, 192150, 196420, 200100, 203435, 210105, 210450, 222894, 233450, 244122, 245525, 247660, 252540, 265350, 280140, 284809, 294630, 300150, 309575, 315675, 318420, 350175, 353556, 366183, 371490, 384300, 398025, 406870, 420210, 420900, 441945, 445788, 466900, 488244, 491050, 530700, 557235, 569618, 589260, 600300, 610305, 619150, 631350, 700350, 732366, 736575, 742980, 796050, 813740, 840420, 854427, 883890, 928725, 982100, 1017175, 1050525, 1114470, 1139236, 1220610, 1238300, 1262700, 1400700, 1424045, 1464732, 1473150, 1592100, 1708854, 1767780, 1830915, 1857450, 2034350, 2101050, 2209725, 2228940, 2441220, 2563281, 2786175, 2848090, 2946300, 3051525, 3417708, 3661830, 3714900, 4068700, 4202100, 4272135, 4419450, 5126562, 5572350, 5696180, 6103050, 7120225, 7323660, 8544270, 8838900, 9154575, 10253124, 11144700, 12206100, 12816405, 14240450, 17088540, 18309150, 21360675, 25632810, 28480900, 36618300, 42721350, 51265620, 64082025, 85442700, 128164050, 256328100]

約数ペア:

[(1, 256328100), (2, 128164050), (3, 85442700), (4, 64082025), (5, 51265620), (6, 42721350), (7, 36618300), (9, 28480900), (10, 25632810), (12, 21360675), (14, 18309150), (15, 17088540), (18, 14240450), (20, 12816405), (21, 12206100), (23, 11144700), (25, 10253124), (28, 9154575), (29, 8838900), (30, 8544270), (35, 7323660), (36, 7120225), (42, 6103050), (45, 5696180), (46, 5572350), (50, 5126562), (58, 4419450), (60, 4272135), (61, 4202100), (63, 4068700), (69, 3714900), (70, 3661830), (75, 3417708), (84, 3051525), (87, 2946300), (90, 2848090), (92, 2786175), (100, 2563281), (105, 2441220), (115, 2228940), (116, 2209725), (122, 2101050), (126, 2034350), (138, 1857450), (140, 1830915), (145, 1767780), (150, 1708854), (161, 1592100), (174, 1473150), (175, 1464732), (180, 1424045), (183, 1400700), (203, 1262700), (207, 1238300), (210, 1220610), (225, 1139236), (230, 1114470), (244, 1050525), (252, 1017175), (261, 982100), (276, 928725), (290, 883890), (300, 854427), (305, 840420), (315, 813740), (322, 796050), (345, 742980), (348, 736575), (350, 732366), (366, 700350), (406, 631350), (414, 619150), (420, 610305), (427, 600300), (435, 589260), (450, 569618), (460, 557235), (483, 530700), (522, 491050), (525, 488244), (549, 466900), (575, 445788), (580, 441945), (609, 420900), (610, 420210), (630, 406870), (644, 398025), (667, 384300), (690, 371490), (700, 366183), (725, 353556), (732, 350175), (805, 318420), (812, 315675), (828, 309575), (854, 300150), (870, 294630), (900, 284809), (915, 280140), (966, 265350), (1015, 252540), (1035, 247660), (1044, 245525), (1050, 244122), (1098, 233450), (1150, 222894), (1218, 210450), (1220, 210105), (1260, 203435), (1281, 200100), (1305, 196420), (1334, 192150), (1380, 185745), (1403, 182700), (1449, 176900), (1450, 176778), (1525, 168084), (1575, 162748), (1610, 159210), (1708, 150075), (1725, 148596), (1740, 147315), (1769, 144900), (1827, 140300), (1830, 140070), (1932, 132675), (2001, 128100), (2030, 126270), (2070, 123830), (2100, 122061), (2135, 120060), (2175, 117852), (2196, 116725), (2300, 111447), (2415, 106140), (2436, 105225), (2562, 100050), (2610, 98210), (2668, 96075), (2745, 93380), (2806, 91350), (2898, 88450), (2900, 88389), (3045, 84180), (3050, 84042), (3150, 81374), (3220, 79605), (3335, 76860), (3450, 74298), (3538, 72450), (3654, 70150), (3660, 70035), (3843, 66700), (4002, 64050), (4025, 63684), (4060, 63135), (4140, 61915), (4209, 60900), (4270, 60030), (4350, 58926), (4575, 56028), (4669, 54900), (4830, 53070), (5075, 50508), (5124, 50025), (5175, 49532), (5220, 49105), (5307, 48300), (5490, 46690), (5612, 45675), (5796, 44225), (6003, 42700), (6090, 42090), (6100, 42021), (6300, 40687), (6405, 40020), (6525, 39284), (6670, 38430), (6900, 37149), (7015, 36540), (7076, 36225), (7245, 35380), (7308, 35075), (7686, 33350), (8004, 32025), (8050, 31842), (8418, 30450), (8540, 30015), (8700, 29463), (8845, 28980), (9135, 28060), (9150, 28014), (9338, 27450), (9660, 26535), (9821, 26100), (10005, 25620), (10150, 25254), (10350, 24766), (10614, 24150), (10675, 24012), (10980, 23345), (12006, 21350), (12075, 21228), (12180, 21045), (12383, 20700), (12627, 20300), (12810, 20010), (13050, 19642), (13340, 19215), (13725, 18676), (14007, 18300), (14030, 18270), (14490, 17690), (15225, 16836), (15372, 16675), (15921, 16100)]