15539060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 34255872

約数和(自身を除く): 18716812

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 353, 355, 620, 706, 710, 1412, 1420, 1765, 2201, 3530, 4402, 7060, 8804, 10943, 11005, 21886, 22010, 25063, 43772, 44020, 50126, 54715, 100252, 109430, 125315, 218860, 250630, 501260, 776953, 1553906, 3107812, 3884765, 7769530, 15539060]

約数ペア:

[(1, 15539060), (2, 7769530), (4, 3884765), (5, 3107812), (10, 1553906), (20, 776953), (31, 501260), (62, 250630), (71, 218860), (124, 125315), (142, 109430), (155, 100252), (284, 54715), (310, 50126), (353, 44020), (355, 43772), (620, 25063), (706, 22010), (710, 21886), (1412, 11005), (1420, 10943), (1765, 8804), (2201, 7060), (3530, 4402)]