15216040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 40412160

約数和(自身を除く): 25196120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 1753, 2170, 3506, 4340, 7012, 8680, 8765, 12271, 14024, 17530, 24542, 35060, 49084, 54343, 61355, 70120, 98168, 108686, 122710, 217372, 245420, 271715, 380401, 434744, 490840, 543430, 760802, 1086860, 1521604, 1902005, 2173720, 3043208, 3804010, 7608020, 15216040]

約数ペア:

[(1, 15216040), (2, 7608020), (4, 3804010), (5, 3043208), (7, 2173720), (8, 1902005), (10, 1521604), (14, 1086860), (20, 760802), (28, 543430), (31, 490840), (35, 434744), (40, 380401), (56, 271715), (62, 245420), (70, 217372), (124, 122710), (140, 108686), (155, 98168), (217, 70120), (248, 61355), (280, 54343), (310, 49084), (434, 35060), (620, 24542), (868, 17530), (1085, 14024), (1240, 12271), (1736, 8765), (1753, 8680), (2170, 7012), (3506, 4340)]