15995850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 72

約数和(自身を含む): 43024032

約数和(自身を除く): 27028182

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 631, 650, 845, 975, 1014, 1262, 1690, 1893, 1950, 2535, 3155, 3786, 4225, 5070, 6310, 8203, 8450, 9465, 12675, 15775, 16406, 18930, 24609, 25350, 31550, 41015, 47325, 49218, 82030, 94650, 106639, 123045, 205075, 213278, 246090, 319917, 410150, 533195, 615225, 639834, 1066390, 1230450, 1599585, 2665975, 3199170, 5331950, 7997925, 15995850]

約数ペア:

[(1, 15995850), (2, 7997925), (3, 5331950), (5, 3199170), (6, 2665975), (10, 1599585), (13, 1230450), (15, 1066390), (25, 639834), (26, 615225), (30, 533195), (39, 410150), (50, 319917), (65, 246090), (75, 213278), (78, 205075), (130, 123045), (150, 106639), (169, 94650), (195, 82030), (325, 49218), (338, 47325), (390, 41015), (507, 31550), (631, 25350), (650, 24609), (845, 18930), (975, 16406), (1014, 15775), (1262, 12675), (1690, 9465), (1893, 8450), (1950, 8203), (2535, 6310), (3155, 5070), (3786, 4225)]