861355920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{2311}}^1$

素因数の和:3880

約数の個数: 80

約数和(自身を含む): 2673078912

約数和(自身を除く): 1811722992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1553, 2311, 3106, 4622, 4659, 6212, 6933, 7765, 9244, 9318, 11555, 12424, 13866, 15530, 18488, 18636, 23110, 23295, 24848, 27732, 31060, 34665, 36976, 37272, 46220, 46590, 55464, 62120, 69330, 74544, 92440, 93180, 110928, 124240, 138660, 184880, 186360, 277320, 372720, 554640, 3588983, 7177966, 10766949, 14355932, 17944915, 21533898, 28711864, 35889830, 43067796, 53834745, 57423728, 71779660, 86135592, 107669490, 143559320, 172271184, 215338980, 287118640, 430677960, 861355920]

約数ペア:

[(1, 861355920), (2, 430677960), (3, 287118640), (4, 215338980), (5, 172271184), (6, 143559320), (8, 107669490), (10, 86135592), (12, 71779660), (15, 57423728), (16, 53834745), (20, 43067796), (24, 35889830), (30, 28711864), (40, 21533898), (48, 17944915), (60, 14355932), (80, 10766949), (120, 7177966), (240, 3588983), (1553, 554640), (2311, 372720), (3106, 277320), (4622, 186360), (4659, 184880), (6212, 138660), (6933, 124240), (7765, 110928), (9244, 93180), (9318, 92440), (11555, 74544), (12424, 69330), (13866, 62120), (15530, 55464), (18488, 46590), (18636, 46220), (23110, 37272), (23295, 36976), (24848, 34665), (27732, 31060)]