29181520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 73656000

約数和(自身を除く): 44474480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 499, 680, 688, 731, 860, 998, 1360, 1462, 1720, 1996, 2495, 2924, 3440, 3655, 3992, 4990, 5848, 7310, 7984, 8483, 9980, 11696, 14620, 16966, 19960, 21457, 29240, 33932, 39920, 42415, 42914, 58480, 67864, 84830, 85828, 107285, 135728, 169660, 171656, 214570, 339320, 343312, 364769, 429140, 678640, 729538, 858280, 1459076, 1716560, 1823845, 2918152, 3647690, 5836304, 7295380, 14590760, 29181520]

約数ペア:

[(1, 29181520), (2, 14590760), (4, 7295380), (5, 5836304), (8, 3647690), (10, 2918152), (16, 1823845), (17, 1716560), (20, 1459076), (34, 858280), (40, 729538), (43, 678640), (68, 429140), (80, 364769), (85, 343312), (86, 339320), (136, 214570), (170, 171656), (172, 169660), (215, 135728), (272, 107285), (340, 85828), (344, 84830), (430, 67864), (499, 58480), (680, 42914), (688, 42415), (731, 39920), (860, 33932), (998, 29240), (1360, 21457), (1462, 19960), (1720, 16966), (1996, 14620), (2495, 11696), (2924, 9980), (3440, 8483), (3655, 7984), (3992, 7310), (4990, 5848)]