83357720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 192844800

約数和(自身を除く): 109487080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 269, 305, 488, 508, 538, 610, 635, 1016, 1076, 1220, 1270, 1345, 2152, 2440, 2540, 2690, 5080, 5380, 7747, 10760, 15494, 16409, 30988, 32818, 34163, 38735, 61976, 65636, 68326, 77470, 82045, 131272, 136652, 154940, 164090, 170815, 273304, 309880, 328180, 341630, 656360, 683260, 1366520, 2083943, 4167886, 8335772, 10419715, 16671544, 20839430, 41678860, 83357720]

約数ペア:

[(1, 83357720), (2, 41678860), (4, 20839430), (5, 16671544), (8, 10419715), (10, 8335772), (20, 4167886), (40, 2083943), (61, 1366520), (122, 683260), (127, 656360), (244, 341630), (254, 328180), (269, 309880), (305, 273304), (488, 170815), (508, 164090), (538, 154940), (610, 136652), (635, 131272), (1016, 82045), (1076, 77470), (1220, 68326), (1270, 65636), (1345, 61976), (2152, 38735), (2440, 34163), (2540, 32818), (2690, 30988), (5080, 16409), (5380, 15494), (7747, 10760)]