72462880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 192

約数和(自身を含む): 213373440

約数和(自身を除く): 140910560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 32, 35, 40, 46, 56, 58, 70, 80, 92, 97, 112, 115, 116, 140, 145, 160, 161, 184, 194, 203, 224, 230, 232, 280, 290, 322, 368, 388, 406, 460, 464, 485, 560, 580, 644, 667, 679, 736, 776, 805, 812, 920, 928, 970, 1015, 1120, 1160, 1288, 1334, 1358, 1552, 1610, 1624, 1840, 1940, 2030, 2231, 2320, 2576, 2668, 2716, 2813, 3104, 3220, 3248, 3335, 3395, 3680, 3880, 4060, 4462, 4640, 4669, 5152, 5336, 5432, 5626, 6440, 6496, 6670, 6790, 7760, 8120, 8924, 9338, 10672, 10864, 11155, 11252, 12880, 13340, 13580, 14065, 15520, 15617, 16240, 17848, 18676, 19691, 21344, 21728, 22310, 22504, 23345, 25760, 26680, 27160, 28130, 31234, 32480, 35696, 37352, 39382, 44620, 45008, 46690, 53360, 54320, 56260, 62468, 64699, 71392, 74704, 78085, 78764, 89240, 90016, 93380, 98455, 106720, 108640, 112520, 124936, 129398, 149408, 156170, 157528, 178480, 186760, 196910, 225040, 249872, 258796, 312340, 315056, 323495, 356960, 373520, 393820, 450080, 452893, 499744, 517592, 624680, 630112, 646990, 747040, 787640, 905786, 1035184, 1249360, 1293980, 1575280, 1811572, 2070368, 2264465, 2498720, 2587960, 3150560, 3623144, 4528930, 5175920, 7246288, 9057860, 10351840, 14492576, 18115720, 36231440, 72462880]

約数ペア:

[(1, 72462880), (2, 36231440), (4, 18115720), (5, 14492576), (7, 10351840), (8, 9057860), (10, 7246288), (14, 5175920), (16, 4528930), (20, 3623144), (23, 3150560), (28, 2587960), (29, 2498720), (32, 2264465), (35, 2070368), (40, 1811572), (46, 1575280), (56, 1293980), (58, 1249360), (70, 1035184), (80, 905786), (92, 787640), (97, 747040), (112, 646990), (115, 630112), (116, 624680), (140, 517592), (145, 499744), (160, 452893), (161, 450080), (184, 393820), (194, 373520), (203, 356960), (224, 323495), (230, 315056), (232, 312340), (280, 258796), (290, 249872), (322, 225040), (368, 196910), (388, 186760), (406, 178480), (460, 157528), (464, 156170), (485, 149408), (560, 129398), (580, 124936), (644, 112520), (667, 108640), (679, 106720), (736, 98455), (776, 93380), (805, 90016), (812, 89240), (920, 78764), (928, 78085), (970, 74704), (1015, 71392), (1120, 64699), (1160, 62468), (1288, 56260), (1334, 54320), (1358, 53360), (1552, 46690), (1610, 45008), (1624, 44620), (1840, 39382), (1940, 37352), (2030, 35696), (2231, 32480), (2320, 31234), (2576, 28130), (2668, 27160), (2716, 26680), (2813, 25760), (3104, 23345), (3220, 22504), (3248, 22310), (3335, 21728), (3395, 21344), (3680, 19691), (3880, 18676), (4060, 17848), (4462, 16240), (4640, 15617), (4669, 15520), (5152, 14065), (5336, 13580), (5432, 13340), (5626, 12880), (6440, 11252), (6496, 11155), (6670, 10864), (6790, 10672), (7760, 9338), (8120, 8924)]