716820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 2163840

約数和(自身を除く): 1447020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 919, 1838, 2757, 3676, 4595, 5514, 9190, 11028, 11947, 13785, 18380, 23894, 27570, 35841, 47788, 55140, 59735, 71682, 119470, 143364, 179205, 238940, 358410, 716820]

約数ペア:

[(1, 716820), (2, 358410), (3, 238940), (4, 179205), (5, 143364), (6, 119470), (10, 71682), (12, 59735), (13, 55140), (15, 47788), (20, 35841), (26, 27570), (30, 23894), (39, 18380), (52, 13785), (60, 11947), (65, 11028), (78, 9190), (130, 5514), (156, 4595), (195, 3676), (260, 2757), (390, 1838), (780, 919)]