15651990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2851}}^1$

素因数の和:2925

約数の個数: 48

約数和(自身を含む): 41376816

約数和(自身を除く): 25724826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 2851, 5490, 5702, 8553, 14255, 17106, 25659, 28510, 42765, 51318, 85530, 128295, 173911, 256590, 347822, 521733, 869555, 1043466, 1565199, 1739110, 2608665, 3130398, 5217330, 7825995, 15651990]

約数ペア:

[(1, 15651990), (2, 7825995), (3, 5217330), (5, 3130398), (6, 2608665), (9, 1739110), (10, 1565199), (15, 1043466), (18, 869555), (30, 521733), (45, 347822), (61, 256590), (90, 173911), (122, 128295), (183, 85530), (305, 51318), (366, 42765), (549, 28510), (610, 25659), (915, 17106), (1098, 14255), (1830, 8553), (2745, 5702), (2851, 5490)]