81261420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3217}}^1$

素因数の和:3650

約数の個数: 48

約数和(自身を含む): 228143328

約数和(自身を除く): 146881908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1263, 1684, 2105, 2526, 3217, 4210, 5052, 6315, 6434, 8420, 9651, 12630, 12868, 16085, 19302, 25260, 32170, 38604, 48255, 64340, 96510, 193020, 1354357, 2708714, 4063071, 5417428, 6771785, 8126142, 13543570, 16252284, 20315355, 27087140, 40630710, 81261420]

約数ペア:

[(1, 81261420), (2, 40630710), (3, 27087140), (4, 20315355), (5, 16252284), (6, 13543570), (10, 8126142), (12, 6771785), (15, 5417428), (20, 4063071), (30, 2708714), (60, 1354357), (421, 193020), (842, 96510), (1263, 64340), (1684, 48255), (2105, 38604), (2526, 32170), (3217, 25260), (4210, 19302), (5052, 16085), (6315, 12868), (6434, 12630), (8420, 9651)]