1303768840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{72271}}^1$

素因数の和:72334

約数の個数: 64

約数和(自身を含む): 3278257920

約数和(自身を除く): 1974489080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 72271, 144542, 289084, 361355, 578168, 722710, 794981, 1445420, 1589962, 2890840, 2963111, 3179924, 3974905, 5926222, 6359848, 7949810, 11852444, 14815555, 15899620, 23704888, 29631110, 31799240, 32594221, 59262220, 65188442, 118524440, 130376884, 162971105, 260753768, 325942210, 651884420, 1303768840]

約数ペア:

[(1, 1303768840), (2, 651884420), (4, 325942210), (5, 260753768), (8, 162971105), (10, 130376884), (11, 118524440), (20, 65188442), (22, 59262220), (40, 32594221), (41, 31799240), (44, 29631110), (55, 23704888), (82, 15899620), (88, 14815555), (110, 11852444), (164, 7949810), (205, 6359848), (220, 5926222), (328, 3974905), (410, 3179924), (440, 2963111), (451, 2890840), (820, 1589962), (902, 1445420), (1640, 794981), (1804, 722710), (2255, 578168), (3608, 361355), (4510, 289084), (9020, 144542), (18040, 72271)]