1520268680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{34583}}^1$

素因数の和:34758

約数の個数: 64

約数和(自身を含む): 3934275840

約数和(自身を除く): 2414007160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2198, 3140, 4396, 5495, 6280, 8792, 10990, 21980, 34583, 43960, 69166, 138332, 172915, 242081, 276664, 345830, 484162, 691660, 968324, 1210405, 1383320, 1936648, 2420810, 4841620, 5429531, 9683240, 10859062, 21718124, 27147655, 38006717, 43436248, 54295310, 76013434, 108590620, 152026868, 190033585, 217181240, 304053736, 380067170, 760134340, 1520268680]

約数ペア:

[(1, 1520268680), (2, 760134340), (4, 380067170), (5, 304053736), (7, 217181240), (8, 190033585), (10, 152026868), (14, 108590620), (20, 76013434), (28, 54295310), (35, 43436248), (40, 38006717), (56, 27147655), (70, 21718124), (140, 10859062), (157, 9683240), (280, 5429531), (314, 4841620), (628, 2420810), (785, 1936648), (1099, 1383320), (1256, 1210405), (1570, 968324), (2198, 691660), (3140, 484162), (4396, 345830), (5495, 276664), (6280, 242081), (8792, 172915), (10990, 138332), (21980, 69166), (34583, 43960)]