81880272

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29927}}^1$

素因数の和:29960

約数の個数: 60

約数和(自身を含む): 241219680

約数和(自身を除く): 159339408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 29927, 59854, 89781, 119708, 179562, 239416, 269343, 359124, 478832, 538686, 568613, 718248, 1077372, 1137226, 1436496, 1705839, 2154744, 2274452, 3411678, 4309488, 4548904, 5117517, 6823356, 9097808, 10235034, 13646712, 20470068, 27293424, 40940136, 81880272]

約数ペア:

[(1, 81880272), (2, 40940136), (3, 27293424), (4, 20470068), (6, 13646712), (8, 10235034), (9, 9097808), (12, 6823356), (16, 5117517), (18, 4548904), (19, 4309488), (24, 3411678), (36, 2274452), (38, 2154744), (48, 1705839), (57, 1436496), (72, 1137226), (76, 1077372), (114, 718248), (144, 568613), (152, 538686), (171, 478832), (228, 359124), (304, 269343), (342, 239416), (456, 179562), (684, 119708), (912, 89781), (1368, 59854), (2736, 29927)]