120705280

素因数分解:

$2^8\times 5^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 291282264

約数和(自身を除く): 170576984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 256, 320, 362, 521, 640, 724, 905, 1042, 1280, 1448, 1810, 2084, 2605, 2896, 3620, 4168, 5210, 5792, 7240, 8336, 10420, 11584, 14480, 16672, 20840, 23168, 28960, 33344, 41680, 46336, 57920, 66688, 83360, 94301, 115840, 133376, 166720, 188602, 231680, 333440, 377204, 471505, 666880, 754408, 943010, 1508816, 1886020, 3017632, 3772040, 6035264, 7544080, 12070528, 15088160, 24141056, 30176320, 60352640, 120705280]

約数ペア:

[(1, 120705280), (2, 60352640), (4, 30176320), (5, 24141056), (8, 15088160), (10, 12070528), (16, 7544080), (20, 6035264), (32, 3772040), (40, 3017632), (64, 1886020), (80, 1508816), (128, 943010), (160, 754408), (181, 666880), (256, 471505), (320, 377204), (362, 333440), (521, 231680), (640, 188602), (724, 166720), (905, 133376), (1042, 115840), (1280, 94301), (1448, 83360), (1810, 66688), (2084, 57920), (2605, 46336), (2896, 41680), (3620, 33344), (4168, 28960), (5210, 23168), (5792, 20840), (7240, 16672), (8336, 14480), (10420, 11584)]