145220240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2797}}^1$

素因数の和:2880

約数の個数: 80

約数和(自身を含む): 374708160

約数和(自身を除く): 229487920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 649, 880, 944, 1180, 1298, 2360, 2596, 2797, 3245, 4720, 5192, 5594, 6490, 10384, 11188, 12980, 13985, 22376, 25960, 27970, 30767, 44752, 51920, 55940, 61534, 111880, 123068, 153835, 165023, 223760, 246136, 307670, 330046, 492272, 615340, 660092, 825115, 1230680, 1320184, 1650230, 1815253, 2461360, 2640368, 3300460, 3630506, 6600920, 7261012, 9076265, 13201840, 14522024, 18152530, 29044048, 36305060, 72610120, 145220240]

約数ペア:

[(1, 145220240), (2, 72610120), (4, 36305060), (5, 29044048), (8, 18152530), (10, 14522024), (11, 13201840), (16, 9076265), (20, 7261012), (22, 6600920), (40, 3630506), (44, 3300460), (55, 2640368), (59, 2461360), (80, 1815253), (88, 1650230), (110, 1320184), (118, 1230680), (176, 825115), (220, 660092), (236, 615340), (295, 492272), (440, 330046), (472, 307670), (590, 246136), (649, 223760), (880, 165023), (944, 153835), (1180, 123068), (1298, 111880), (2360, 61534), (2596, 55940), (2797, 51920), (3245, 44752), (4720, 30767), (5192, 27970), (5594, 25960), (6490, 22376), (10384, 13985), (11188, 12980)]