15211000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 42456960

約数和(自身を除く): 27245960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 50, 53, 56, 70, 82, 100, 106, 125, 140, 164, 175, 200, 205, 212, 250, 265, 280, 287, 328, 350, 371, 410, 424, 500, 530, 574, 700, 742, 820, 875, 1000, 1025, 1060, 1148, 1325, 1400, 1435, 1484, 1640, 1750, 1855, 2050, 2120, 2173, 2296, 2650, 2870, 2968, 3500, 3710, 4100, 4346, 5125, 5300, 5740, 6625, 7000, 7175, 7420, 8200, 8692, 9275, 10250, 10600, 10865, 11480, 13250, 14350, 14840, 15211, 17384, 18550, 20500, 21730, 26500, 28700, 30422, 35875, 37100, 41000, 43460, 46375, 53000, 54325, 57400, 60844, 71750, 74200, 76055, 86920, 92750, 108650, 121688, 143500, 152110, 185500, 217300, 271625, 287000, 304220, 371000, 380275, 434600, 543250, 608440, 760550, 1086500, 1521100, 1901375, 2173000, 3042200, 3802750, 7605500, 15211000]

約数ペア:

[(1, 15211000), (2, 7605500), (4, 3802750), (5, 3042200), (7, 2173000), (8, 1901375), (10, 1521100), (14, 1086500), (20, 760550), (25, 608440), (28, 543250), (35, 434600), (40, 380275), (41, 371000), (50, 304220), (53, 287000), (56, 271625), (70, 217300), (82, 185500), (100, 152110), (106, 143500), (125, 121688), (140, 108650), (164, 92750), (175, 86920), (200, 76055), (205, 74200), (212, 71750), (250, 60844), (265, 57400), (280, 54325), (287, 53000), (328, 46375), (350, 43460), (371, 41000), (410, 37100), (424, 35875), (500, 30422), (530, 28700), (574, 26500), (700, 21730), (742, 20500), (820, 18550), (875, 17384), (1000, 15211), (1025, 14840), (1060, 14350), (1148, 13250), (1325, 11480), (1400, 10865), (1435, 10600), (1484, 10250), (1640, 9275), (1750, 8692), (1855, 8200), (2050, 7420), (2120, 7175), (2173, 7000), (2296, 6625), (2650, 5740), (2870, 5300), (2968, 5125), (3500, 4346), (3710, 4100)]