28233240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 256

約数和(自身を含む): 107136000

約数和(自身を除く): 78902760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 29, 30, 35, 38, 40, 42, 56, 57, 58, 60, 61, 70, 76, 84, 87, 95, 105, 114, 116, 120, 122, 133, 140, 145, 152, 168, 174, 183, 190, 203, 210, 228, 232, 244, 266, 280, 285, 290, 305, 348, 366, 380, 399, 406, 420, 427, 435, 456, 488, 532, 551, 570, 580, 609, 610, 665, 696, 732, 760, 798, 812, 840, 854, 870, 915, 1015, 1064, 1102, 1140, 1159, 1160, 1218, 1220, 1281, 1330, 1464, 1596, 1624, 1653, 1708, 1740, 1769, 1830, 1995, 2030, 2135, 2204, 2280, 2318, 2436, 2440, 2562, 2660, 2755, 3045, 3192, 3306, 3416, 3477, 3480, 3538, 3660, 3857, 3990, 4060, 4270, 4408, 4636, 4872, 5124, 5307, 5320, 5510, 5795, 6090, 6405, 6612, 6954, 7076, 7320, 7714, 7980, 8113, 8120, 8265, 8540, 8845, 9272, 10248, 10614, 11020, 11571, 11590, 12180, 12383, 12810, 13224, 13908, 14152, 15428, 15960, 16226, 16530, 17080, 17385, 17690, 19285, 21228, 22040, 23142, 23180, 24339, 24360, 24766, 25620, 26535, 27816, 30856, 32452, 33060, 33611, 34770, 35380, 37149, 38570, 40565, 42456, 46284, 46360, 48678, 49532, 51240, 53070, 57855, 61915, 64904, 66120, 67222, 69540, 70760, 74298, 77140, 81130, 92568, 97356, 99064, 100833, 106140, 115710, 121695, 123830, 134444, 139080, 148596, 154280, 162260, 168055, 185745, 194712, 201666, 212280, 231420, 235277, 243390, 247660, 268888, 297192, 324520, 336110, 371490, 403332, 462840, 470554, 486780, 495320, 504165, 672220, 705831, 742980, 806664, 941108, 973560, 1008330, 1176385, 1344440, 1411662, 1485960, 1882216, 2016660, 2352770, 2823324, 3529155, 4033320, 4705540, 5646648, 7058310, 9411080, 14116620, 28233240]

約数ペア:

[(1, 28233240), (2, 14116620), (3, 9411080), (4, 7058310), (5, 5646648), (6, 4705540), (7, 4033320), (8, 3529155), (10, 2823324), (12, 2352770), (14, 2016660), (15, 1882216), (19, 1485960), (20, 1411662), (21, 1344440), (24, 1176385), (28, 1008330), (29, 973560), (30, 941108), (35, 806664), (38, 742980), (40, 705831), (42, 672220), (56, 504165), (57, 495320), (58, 486780), (60, 470554), (61, 462840), (70, 403332), (76, 371490), (84, 336110), (87, 324520), (95, 297192), (105, 268888), (114, 247660), (116, 243390), (120, 235277), (122, 231420), (133, 212280), (140, 201666), (145, 194712), (152, 185745), (168, 168055), (174, 162260), (183, 154280), (190, 148596), (203, 139080), (210, 134444), (228, 123830), (232, 121695), (244, 115710), (266, 106140), (280, 100833), (285, 99064), (290, 97356), (305, 92568), (348, 81130), (366, 77140), (380, 74298), (399, 70760), (406, 69540), (420, 67222), (427, 66120), (435, 64904), (456, 61915), (488, 57855), (532, 53070), (551, 51240), (570, 49532), (580, 48678), (609, 46360), (610, 46284), (665, 42456), (696, 40565), (732, 38570), (760, 37149), (798, 35380), (812, 34770), (840, 33611), (854, 33060), (870, 32452), (915, 30856), (1015, 27816), (1064, 26535), (1102, 25620), (1140, 24766), (1159, 24360), (1160, 24339), (1218, 23180), (1220, 23142), (1281, 22040), (1330, 21228), (1464, 19285), (1596, 17690), (1624, 17385), (1653, 17080), (1708, 16530), (1740, 16226), (1769, 15960), (1830, 15428), (1995, 14152), (2030, 13908), (2135, 13224), (2204, 12810), (2280, 12383), (2318, 12180), (2436, 11590), (2440, 11571), (2562, 11020), (2660, 10614), (2755, 10248), (3045, 9272), (3192, 8845), (3306, 8540), (3416, 8265), (3477, 8120), (3480, 8113), (3538, 7980), (3660, 7714), (3857, 7320), (3990, 7076), (4060, 6954), (4270, 6612), (4408, 6405), (4636, 6090), (4872, 5795), (5124, 5510), (5307, 5320)]