1550120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 4112640

約数和(自身を除く): 2562520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 271, 286, 440, 520, 542, 572, 715, 1084, 1144, 1355, 1430, 2168, 2710, 2860, 2981, 3523, 5420, 5720, 5962, 7046, 10840, 11924, 14092, 14905, 17615, 23848, 28184, 29810, 35230, 38753, 59620, 70460, 77506, 119240, 140920, 155012, 193765, 310024, 387530, 775060, 1550120]

約数ペア:

[(1, 1550120), (2, 775060), (4, 387530), (5, 310024), (8, 193765), (10, 155012), (11, 140920), (13, 119240), (20, 77506), (22, 70460), (26, 59620), (40, 38753), (44, 35230), (52, 29810), (55, 28184), (65, 23848), (88, 17615), (104, 14905), (110, 14092), (130, 11924), (143, 10840), (220, 7046), (260, 5962), (271, 5720), (286, 5420), (440, 3523), (520, 2981), (542, 2860), (572, 2710), (715, 2168), (1084, 1430), (1144, 1355)]