61637920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 163392768

約数和(自身を除く): 101754848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 43, 62, 68, 80, 85, 86, 124, 136, 155, 160, 170, 172, 215, 248, 272, 289, 310, 340, 344, 430, 496, 527, 544, 578, 620, 680, 688, 731, 860, 992, 1054, 1156, 1240, 1333, 1360, 1376, 1445, 1462, 1720, 2108, 2312, 2480, 2635, 2666, 2720, 2890, 2924, 3440, 3655, 4216, 4624, 4960, 5270, 5332, 5780, 5848, 6665, 6880, 7310, 8432, 8959, 9248, 10540, 10664, 11560, 11696, 12427, 13330, 14620, 16864, 17918, 21080, 21328, 22661, 23120, 23392, 24854, 26660, 29240, 35836, 42160, 42656, 44795, 45322, 46240, 49708, 53320, 58480, 62135, 71672, 84320, 89590, 90644, 99416, 106640, 113305, 116960, 124270, 143344, 179180, 181288, 198832, 213280, 226610, 248540, 286688, 358360, 362576, 385237, 397664, 453220, 497080, 716720, 725152, 770474, 906440, 994160, 1433440, 1540948, 1812880, 1926185, 1988320, 3081896, 3625760, 3852370, 6163792, 7704740, 12327584, 15409480, 30818960, 61637920]

約数ペア:

[(1, 61637920), (2, 30818960), (4, 15409480), (5, 12327584), (8, 7704740), (10, 6163792), (16, 3852370), (17, 3625760), (20, 3081896), (31, 1988320), (32, 1926185), (34, 1812880), (40, 1540948), (43, 1433440), (62, 994160), (68, 906440), (80, 770474), (85, 725152), (86, 716720), (124, 497080), (136, 453220), (155, 397664), (160, 385237), (170, 362576), (172, 358360), (215, 286688), (248, 248540), (272, 226610), (289, 213280), (310, 198832), (340, 181288), (344, 179180), (430, 143344), (496, 124270), (527, 116960), (544, 113305), (578, 106640), (620, 99416), (680, 90644), (688, 89590), (731, 84320), (860, 71672), (992, 62135), (1054, 58480), (1156, 53320), (1240, 49708), (1333, 46240), (1360, 45322), (1376, 44795), (1445, 42656), (1462, 42160), (1720, 35836), (2108, 29240), (2312, 26660), (2480, 24854), (2635, 23392), (2666, 23120), (2720, 22661), (2890, 21328), (2924, 21080), (3440, 17918), (3655, 16864), (4216, 14620), (4624, 13330), (4960, 12427), (5270, 11696), (5332, 11560), (5780, 10664), (5848, 10540), (6665, 9248), (6880, 8959), (7310, 8432)]