647181420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18313}}^1$

素因数の和:18375

約数の個数: 96

約数和(自身を含む): 1969121280

約数和(自身を除く): 1321939860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2356, 2945, 3534, 5890, 7068, 8835, 11780, 17670, 18313, 35340, 36626, 54939, 73252, 91565, 109878, 183130, 219756, 274695, 347947, 366260, 549390, 567703, 695894, 1043841, 1098780, 1135406, 1391788, 1703109, 1739735, 2087682, 2270812, 2838515, 3406218, 3479470, 4175364, 5219205, 5677030, 6812436, 6958940, 8515545, 10438410, 10786357, 11354060, 17031090, 20876820, 21572714, 32359071, 34062180, 43145428, 53931785, 64718142, 107863570, 129436284, 161795355, 215727140, 323590710, 647181420]

約数ペア:

[(1, 647181420), (2, 323590710), (3, 215727140), (4, 161795355), (5, 129436284), (6, 107863570), (10, 64718142), (12, 53931785), (15, 43145428), (19, 34062180), (20, 32359071), (30, 21572714), (31, 20876820), (38, 17031090), (57, 11354060), (60, 10786357), (62, 10438410), (76, 8515545), (93, 6958940), (95, 6812436), (114, 5677030), (124, 5219205), (155, 4175364), (186, 3479470), (190, 3406218), (228, 2838515), (285, 2270812), (310, 2087682), (372, 1739735), (380, 1703109), (465, 1391788), (570, 1135406), (589, 1098780), (620, 1043841), (930, 695894), (1140, 567703), (1178, 549390), (1767, 366260), (1860, 347947), (2356, 274695), (2945, 219756), (3534, 183130), (5890, 109878), (7068, 91565), (8835, 73252), (11780, 54939), (17670, 36626), (18313, 35340)]