17987580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7687}}^1$

素因数の和:7715

約数の個数: 72

約数和(自身を含む): 58767072

約数和(自身を除く): 40779492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7687, 15374, 23061, 30748, 38435, 46122, 69183, 76870, 92244, 99931, 115305, 138366, 153740, 199862, 230610, 276732, 299793, 345915, 399724, 461220, 499655, 599586, 691830, 899379, 999310, 1199172, 1383660, 1498965, 1798758, 1998620, 2997930, 3597516, 4496895, 5995860, 8993790, 17987580]

約数ペア:

[(1, 17987580), (2, 8993790), (3, 5995860), (4, 4496895), (5, 3597516), (6, 2997930), (9, 1998620), (10, 1798758), (12, 1498965), (13, 1383660), (15, 1199172), (18, 999310), (20, 899379), (26, 691830), (30, 599586), (36, 499655), (39, 461220), (45, 399724), (52, 345915), (60, 299793), (65, 276732), (78, 230610), (90, 199862), (117, 153740), (130, 138366), (156, 115305), (180, 99931), (195, 92244), (234, 76870), (260, 69183), (390, 46122), (468, 38435), (585, 30748), (780, 23061), (1170, 15374), (2340, 7687)]