561401360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28411}}^1$

素因数の和:28456

約数の個数: 80

約数和(自身を含む): 1479696960

約数和(自身を除く): 918295600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 28411, 56822, 113644, 142055, 227288, 284110, 369343, 454576, 539809, 568220, 738686, 1079618, 1136440, 1477372, 1846715, 2159236, 2272880, 2699045, 2954744, 3693430, 4318472, 5398090, 5909488, 7017517, 7386860, 8636944, 10796180, 14035034, 14773720, 21592360, 28070068, 29547440, 35087585, 43184720, 56140136, 70175170, 112280272, 140350340, 280700680, 561401360]

約数ペア:

[(1, 561401360), (2, 280700680), (4, 140350340), (5, 112280272), (8, 70175170), (10, 56140136), (13, 43184720), (16, 35087585), (19, 29547440), (20, 28070068), (26, 21592360), (38, 14773720), (40, 14035034), (52, 10796180), (65, 8636944), (76, 7386860), (80, 7017517), (95, 5909488), (104, 5398090), (130, 4318472), (152, 3693430), (190, 2954744), (208, 2699045), (247, 2272880), (260, 2159236), (304, 1846715), (380, 1477372), (494, 1136440), (520, 1079618), (760, 738686), (988, 568220), (1040, 539809), (1235, 454576), (1520, 369343), (1976, 284110), (2470, 227288), (3952, 142055), (4940, 113644), (9880, 56822), (19760, 28411)]