278375280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{15889}}^1$

素因数の和:15978

約数の個数: 80

約数和(自身を含む): 874839840

約数和(自身を除く): 596464560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 15889, 17520, 31778, 47667, 63556, 79445, 95334, 127112, 158890, 190668, 238335, 254224, 317780, 381336, 476670, 635560, 762672, 953340, 1159897, 1271120, 1906680, 2319794, 3479691, 3813360, 4639588, 5799485, 6959382, 9279176, 11598970, 13918764, 17398455, 18558352, 23197940, 27837528, 34796910, 46395880, 55675056, 69593820, 92791760, 139187640, 278375280]

約数ペア:

[(1, 278375280), (2, 139187640), (3, 92791760), (4, 69593820), (5, 55675056), (6, 46395880), (8, 34796910), (10, 27837528), (12, 23197940), (15, 18558352), (16, 17398455), (20, 13918764), (24, 11598970), (30, 9279176), (40, 6959382), (48, 5799485), (60, 4639588), (73, 3813360), (80, 3479691), (120, 2319794), (146, 1906680), (219, 1271120), (240, 1159897), (292, 953340), (365, 762672), (438, 635560), (584, 476670), (730, 381336), (876, 317780), (1095, 254224), (1168, 238335), (1460, 190668), (1752, 158890), (2190, 127112), (2920, 95334), (3504, 79445), (4380, 63556), (5840, 47667), (8760, 31778), (15889, 17520)]