81353790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:774

約数の個数: 96

約数和(自身を含む): 243150336

約数和(自身を除く): 161796546

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 263, 315, 491, 526, 630, 789, 982, 1315, 1473, 1578, 1841, 2367, 2455, 2630, 2946, 3437, 3682, 3945, 4419, 4734, 4910, 5523, 6874, 7365, 7890, 8838, 9205, 10311, 11046, 11835, 14730, 16569, 17185, 18410, 20622, 22095, 23670, 27615, 30933, 33138, 34370, 44190, 51555, 55230, 61866, 82845, 103110, 129133, 154665, 165690, 258266, 309330, 387399, 645665, 774798, 903931, 1162197, 1291330, 1807862, 1936995, 2324394, 2711793, 3873990, 4519655, 5423586, 5810985, 8135379, 9039310, 11621970, 13558965, 16270758, 27117930, 40676895, 81353790]

約数ペア:

[(1, 81353790), (2, 40676895), (3, 27117930), (5, 16270758), (6, 13558965), (7, 11621970), (9, 9039310), (10, 8135379), (14, 5810985), (15, 5423586), (18, 4519655), (21, 3873990), (30, 2711793), (35, 2324394), (42, 1936995), (45, 1807862), (63, 1291330), (70, 1162197), (90, 903931), (105, 774798), (126, 645665), (210, 387399), (263, 309330), (315, 258266), (491, 165690), (526, 154665), (630, 129133), (789, 103110), (982, 82845), (1315, 61866), (1473, 55230), (1578, 51555), (1841, 44190), (2367, 34370), (2455, 33138), (2630, 30933), (2946, 27615), (3437, 23670), (3682, 22095), (3945, 20622), (4419, 18410), (4734, 17185), (4910, 16569), (5523, 14730), (6874, 11835), (7365, 11046), (7890, 10311), (8838, 9205)]