131288891080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1583}}^1\times {\mathrm{28403}}^1$

素因数の和:30070

約数の個数: 64

約数和(自身を含む): 299646293760

約数和(自身を除く): 168357402680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 1583, 2920, 3166, 6332, 7915, 12664, 15830, 28403, 31660, 56806, 63320, 113612, 115559, 142015, 227224, 231118, 284030, 462236, 568060, 577795, 924472, 1136120, 1155590, 2073419, 2311180, 4146838, 4622360, 8293676, 10367095, 16587352, 20734190, 41468380, 44961949, 82936760, 89923898, 179847796, 224809745, 359695592, 449619490, 899238980, 1798477960, 3282222277, 6564444554, 13128889108, 16411111385, 26257778216, 32822222770, 65644445540, 131288891080]

約数ペア:

[(1, 131288891080), (2, 65644445540), (4, 32822222770), (5, 26257778216), (8, 16411111385), (10, 13128889108), (20, 6564444554), (40, 3282222277), (73, 1798477960), (146, 899238980), (292, 449619490), (365, 359695592), (584, 224809745), (730, 179847796), (1460, 89923898), (1583, 82936760), (2920, 44961949), (3166, 41468380), (6332, 20734190), (7915, 16587352), (12664, 10367095), (15830, 8293676), (28403, 4622360), (31660, 4146838), (56806, 2311180), (63320, 2073419), (113612, 1155590), (115559, 1136120), (142015, 924472), (227224, 577795), (231118, 568060), (284030, 462236)]