155890440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 256

約数和(自身を含む): 559872000

約数和(自身を除く): 403981560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 71, 72, 76, 90, 95, 107, 108, 114, 120, 135, 142, 152, 171, 180, 190, 213, 214, 216, 228, 270, 284, 285, 321, 342, 355, 360, 380, 426, 428, 456, 513, 535, 540, 568, 570, 639, 642, 684, 710, 760, 852, 855, 856, 963, 1026, 1065, 1070, 1080, 1140, 1278, 1284, 1349, 1368, 1420, 1605, 1704, 1710, 1917, 1926, 2033, 2052, 2130, 2140, 2280, 2556, 2565, 2568, 2698, 2840, 2889, 3195, 3210, 3420, 3834, 3852, 4047, 4066, 4104, 4260, 4280, 4815, 5112, 5130, 5396, 5778, 6099, 6390, 6420, 6745, 6840, 7597, 7668, 7704, 8094, 8132, 8520, 9585, 9630, 10165, 10260, 10792, 11556, 12141, 12198, 12780, 12840, 13490, 14445, 15194, 15336, 16188, 16264, 18297, 19170, 19260, 20235, 20330, 20520, 22791, 23112, 24282, 24396, 25560, 26980, 28890, 30388, 30495, 32376, 36423, 36594, 37985, 38340, 38520, 40470, 40660, 45582, 48564, 48792, 53960, 54891, 57780, 60705, 60776, 60990, 68373, 72846, 73188, 75970, 76680, 80940, 81320, 91164, 91485, 97128, 109782, 113955, 115560, 121410, 121980, 136746, 144343, 145692, 146376, 151940, 161880, 182115, 182328, 182970, 205119, 219564, 227910, 242820, 243960, 273492, 274455, 288686, 291384, 303880, 341865, 364230, 365940, 410238, 433029, 439128, 455820, 485640, 546984, 548910, 577372, 683730, 721715, 728460, 731880, 820476, 866058, 911640, 1025595, 1097820, 1154744, 1299087, 1367460, 1443430, 1456920, 1640952, 1732116, 2051190, 2165145, 2195640, 2598174, 2734920, 2886860, 3464232, 3897261, 4102380, 4330290, 5196348, 5773720, 6495435, 7794522, 8204760, 8660580, 10392696, 12990870, 15589044, 17321160, 19486305, 25981740, 31178088, 38972610, 51963480, 77945220, 155890440]

約数ペア:

[(1, 155890440), (2, 77945220), (3, 51963480), (4, 38972610), (5, 31178088), (6, 25981740), (8, 19486305), (9, 17321160), (10, 15589044), (12, 12990870), (15, 10392696), (18, 8660580), (19, 8204760), (20, 7794522), (24, 6495435), (27, 5773720), (30, 5196348), (36, 4330290), (38, 4102380), (40, 3897261), (45, 3464232), (54, 2886860), (57, 2734920), (60, 2598174), (71, 2195640), (72, 2165145), (76, 2051190), (90, 1732116), (95, 1640952), (107, 1456920), (108, 1443430), (114, 1367460), (120, 1299087), (135, 1154744), (142, 1097820), (152, 1025595), (171, 911640), (180, 866058), (190, 820476), (213, 731880), (214, 728460), (216, 721715), (228, 683730), (270, 577372), (284, 548910), (285, 546984), (321, 485640), (342, 455820), (355, 439128), (360, 433029), (380, 410238), (426, 365940), (428, 364230), (456, 341865), (513, 303880), (535, 291384), (540, 288686), (568, 274455), (570, 273492), (639, 243960), (642, 242820), (684, 227910), (710, 219564), (760, 205119), (852, 182970), (855, 182328), (856, 182115), (963, 161880), (1026, 151940), (1065, 146376), (1070, 145692), (1080, 144343), (1140, 136746), (1278, 121980), (1284, 121410), (1349, 115560), (1368, 113955), (1420, 109782), (1605, 97128), (1704, 91485), (1710, 91164), (1917, 81320), (1926, 80940), (2033, 76680), (2052, 75970), (2130, 73188), (2140, 72846), (2280, 68373), (2556, 60990), (2565, 60776), (2568, 60705), (2698, 57780), (2840, 54891), (2889, 53960), (3195, 48792), (3210, 48564), (3420, 45582), (3834, 40660), (3852, 40470), (4047, 38520), (4066, 38340), (4104, 37985), (4260, 36594), (4280, 36423), (4815, 32376), (5112, 30495), (5130, 30388), (5396, 28890), (5778, 26980), (6099, 25560), (6390, 24396), (6420, 24282), (6745, 23112), (6840, 22791), (7597, 20520), (7668, 20330), (7704, 20235), (8094, 19260), (8132, 19170), (8520, 18297), (9585, 16264), (9630, 16188), (10165, 15336), (10260, 15194), (10792, 14445), (11556, 13490), (12141, 12840), (12198, 12780)]