30818960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 80399616

約数和(自身を除く): 49580656

約数列:

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

約数ペア:

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