280464720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2243}}^1$

素因数の和:2780

約数の個数: 80

約数和(自身を含む): 871497792

約数和(自身を除く): 591033072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 521, 1042, 1563, 2084, 2243, 2605, 3126, 4168, 4486, 5210, 6252, 6729, 7815, 8336, 8972, 10420, 11215, 12504, 13458, 15630, 17944, 20840, 22430, 25008, 26916, 31260, 33645, 35888, 41680, 44860, 53832, 62520, 67290, 89720, 107664, 125040, 134580, 179440, 269160, 538320, 1168603, 2337206, 3505809, 4674412, 5843015, 7011618, 9348824, 11686030, 14023236, 17529045, 18697648, 23372060, 28046472, 35058090, 46744120, 56092944, 70116180, 93488240, 140232360, 280464720]

約数ペア:

[(1, 280464720), (2, 140232360), (3, 93488240), (4, 70116180), (5, 56092944), (6, 46744120), (8, 35058090), (10, 28046472), (12, 23372060), (15, 18697648), (16, 17529045), (20, 14023236), (24, 11686030), (30, 9348824), (40, 7011618), (48, 5843015), (60, 4674412), (80, 3505809), (120, 2337206), (240, 1168603), (521, 538320), (1042, 269160), (1563, 179440), (2084, 134580), (2243, 125040), (2605, 107664), (3126, 89720), (4168, 67290), (4486, 62520), (5210, 53832), (6252, 44860), (6729, 41680), (7815, 35888), (8336, 33645), (8972, 31260), (10420, 26916), (11215, 25008), (12504, 22430), (13458, 20840), (15630, 17944)]