91421820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 331871904

約数和(自身を除く): 240450084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 53, 60, 63, 70, 74, 84, 90, 105, 106, 111, 126, 140, 148, 159, 180, 185, 210, 212, 222, 252, 259, 265, 315, 318, 333, 370, 371, 420, 444, 477, 518, 530, 555, 630, 636, 666, 740, 742, 777, 795, 954, 1036, 1060, 1110, 1113, 1260, 1295, 1332, 1369, 1484, 1554, 1590, 1665, 1855, 1908, 1961, 2220, 2226, 2331, 2385, 2590, 2738, 3108, 3180, 3330, 3339, 3710, 3885, 3922, 4107, 4452, 4662, 4770, 5180, 5476, 5565, 5883, 6660, 6678, 6845, 7420, 7770, 7844, 8214, 9324, 9540, 9583, 9805, 11130, 11655, 11766, 12321, 13356, 13690, 13727, 15540, 16428, 16695, 17649, 19166, 19610, 20535, 22260, 23310, 23532, 24642, 27380, 27454, 28749, 29415, 33390, 35298, 38332, 39220, 41070, 41181, 46620, 47915, 49284, 54908, 57498, 58830, 61605, 66780, 68635, 70596, 72557, 82140, 82362, 86247, 88245, 95830, 114996, 117660, 123210, 123543, 137270, 143745, 145114, 164724, 172494, 176490, 191660, 205905, 217671, 246420, 247086, 274540, 287490, 290228, 344988, 352980, 362785, 411810, 431235, 435342, 494172, 507899, 574980, 617715, 653013, 725570, 823620, 862470, 870684, 1015798, 1088355, 1235430, 1306026, 1451140, 1523697, 1724940, 2031596, 2176710, 2470860, 2539495, 2612052, 3047394, 3265065, 4353420, 4571091, 5078990, 6094788, 6530130, 7618485, 9142182, 10157980, 13060260, 15236970, 18284364, 22855455, 30473940, 45710910, 91421820]

約数ペア:

[(1, 91421820), (2, 45710910), (3, 30473940), (4, 22855455), (5, 18284364), (6, 15236970), (7, 13060260), (9, 10157980), (10, 9142182), (12, 7618485), (14, 6530130), (15, 6094788), (18, 5078990), (20, 4571091), (21, 4353420), (28, 3265065), (30, 3047394), (35, 2612052), (36, 2539495), (37, 2470860), (42, 2176710), (45, 2031596), (53, 1724940), (60, 1523697), (63, 1451140), (70, 1306026), (74, 1235430), (84, 1088355), (90, 1015798), (105, 870684), (106, 862470), (111, 823620), (126, 725570), (140, 653013), (148, 617715), (159, 574980), (180, 507899), (185, 494172), (210, 435342), (212, 431235), (222, 411810), (252, 362785), (259, 352980), (265, 344988), (315, 290228), (318, 287490), (333, 274540), (370, 247086), (371, 246420), (420, 217671), (444, 205905), (477, 191660), (518, 176490), (530, 172494), (555, 164724), (630, 145114), (636, 143745), (666, 137270), (740, 123543), (742, 123210), (777, 117660), (795, 114996), (954, 95830), (1036, 88245), (1060, 86247), (1110, 82362), (1113, 82140), (1260, 72557), (1295, 70596), (1332, 68635), (1369, 66780), (1484, 61605), (1554, 58830), (1590, 57498), (1665, 54908), (1855, 49284), (1908, 47915), (1961, 46620), (2220, 41181), (2226, 41070), (2331, 39220), (2385, 38332), (2590, 35298), (2738, 33390), (3108, 29415), (3180, 28749), (3330, 27454), (3339, 27380), (3710, 24642), (3885, 23532), (3922, 23310), (4107, 22260), (4452, 20535), (4662, 19610), (4770, 19166), (5180, 17649), (5476, 16695), (5565, 16428), (5883, 15540), (6660, 13727), (6678, 13690), (6845, 13356), (7420, 12321), (7770, 11766), (7844, 11655), (8214, 11130), (9324, 9805), (9540, 9583)]