80780580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5407}}^1$

素因数の和:5505

約数の個数: 72

約数和(自身を含む): 248032512

約数和(自身を除く): 167251932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 5407, 7470, 10814, 14940, 16221, 21628, 27035, 32442, 48663, 54070, 64884, 81105, 97326, 108140, 162210, 194652, 243315, 324420, 448781, 486630, 897562, 973260, 1346343, 1795124, 2243905, 2692686, 4039029, 4487810, 5385372, 6731715, 8078058, 8975620, 13463430, 16156116, 20195145, 26926860, 40390290, 80780580]

約数ペア:

[(1, 80780580), (2, 40390290), (3, 26926860), (4, 20195145), (5, 16156116), (6, 13463430), (9, 8975620), (10, 8078058), (12, 6731715), (15, 5385372), (18, 4487810), (20, 4039029), (30, 2692686), (36, 2243905), (45, 1795124), (60, 1346343), (83, 973260), (90, 897562), (166, 486630), (180, 448781), (249, 324420), (332, 243315), (415, 194652), (498, 162210), (747, 108140), (830, 97326), (996, 81105), (1245, 64884), (1494, 54070), (1660, 48663), (2490, 32442), (2988, 27035), (3735, 21628), (4980, 16221), (5407, 14940), (7470, 10814)]