1282645160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{2081}}^1$

素因数の和:2922

約数の個数: 64

約数和(自身を含む): 3043051200

約数和(自身を除く): 1760406040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 811, 1622, 2081, 3244, 4055, 4162, 6488, 8110, 8324, 10405, 15409, 16220, 16648, 20810, 30818, 32440, 39539, 41620, 61636, 77045, 79078, 83240, 123272, 154090, 158156, 197695, 308180, 316312, 395390, 616360, 790780, 1581560, 1687691, 3375382, 6750764, 8438455, 13501528, 16876910, 32066129, 33753820, 64132258, 67507640, 128264516, 160330645, 256529032, 320661290, 641322580, 1282645160]

約数ペア:

[(1, 1282645160), (2, 641322580), (4, 320661290), (5, 256529032), (8, 160330645), (10, 128264516), (19, 67507640), (20, 64132258), (38, 33753820), (40, 32066129), (76, 16876910), (95, 13501528), (152, 8438455), (190, 6750764), (380, 3375382), (760, 1687691), (811, 1581560), (1622, 790780), (2081, 616360), (3244, 395390), (4055, 316312), (4162, 308180), (6488, 197695), (8110, 158156), (8324, 154090), (10405, 123272), (15409, 83240), (16220, 79078), (16648, 77045), (20810, 61636), (30818, 41620), (32440, 39539)]