80215020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5641}}^1$

素因数の和:5735

約数の個数: 72

約数和(自身を含む): 246442560

約数和(自身を除く): 166227540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 5641, 7110, 11282, 14220, 16923, 22564, 28205, 33846, 50769, 56410, 67692, 84615, 101538, 112820, 169230, 203076, 253845, 338460, 445639, 507690, 891278, 1015380, 1336917, 1782556, 2228195, 2673834, 4010751, 4456390, 5347668, 6684585, 8021502, 8912780, 13369170, 16043004, 20053755, 26738340, 40107510, 80215020]

約数ペア:

[(1, 80215020), (2, 40107510), (3, 26738340), (4, 20053755), (5, 16043004), (6, 13369170), (9, 8912780), (10, 8021502), (12, 6684585), (15, 5347668), (18, 4456390), (20, 4010751), (30, 2673834), (36, 2228195), (45, 1782556), (60, 1336917), (79, 1015380), (90, 891278), (158, 507690), (180, 445639), (237, 338460), (316, 253845), (395, 203076), (474, 169230), (711, 112820), (790, 101538), (948, 84615), (1185, 67692), (1422, 56410), (1580, 50769), (2370, 33846), (2844, 28205), (3555, 22564), (4740, 16923), (5641, 14220), (7110, 11282)]