156901840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2683}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 395385408

約数和(自身を除く): 238483568

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, 680, 688, 731, 860, 1360, 1462, 1720, 2683, 2924, 3440, 3655, 5366, 5848, 7310, 10732, 11696, 13415, 14620, 21464, 26830, 29240, 42928, 45611, 53660, 58480, 91222, 107320, 115369, 182444, 214640, 228055, 230738, 364888, 456110, 461476, 576845, 729776, 912220, 922952, 1153690, 1824440, 1845904, 1961273, 2307380, 3648880, 3922546, 4614760, 7845092, 9229520, 9806365, 15690184, 19612730, 31380368, 39225460, 78450920, 156901840]

約数ペア:

[(1, 156901840), (2, 78450920), (4, 39225460), (5, 31380368), (8, 19612730), (10, 15690184), (16, 9806365), (17, 9229520), (20, 7845092), (34, 4614760), (40, 3922546), (43, 3648880), (68, 2307380), (80, 1961273), (85, 1845904), (86, 1824440), (136, 1153690), (170, 922952), (172, 912220), (215, 729776), (272, 576845), (340, 461476), (344, 456110), (430, 364888), (680, 230738), (688, 228055), (731, 214640), (860, 182444), (1360, 115369), (1462, 107320), (1720, 91222), (2683, 58480), (2924, 53660), (3440, 45611), (3655, 42928), (5366, 29240), (5848, 26830), (7310, 21464), (10732, 14620), (11696, 13415)]