78498520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{479}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 188179200

約数和(自身を除く): 109680680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 241, 340, 479, 482, 680, 958, 964, 1205, 1916, 1928, 2395, 2410, 3832, 4097, 4790, 4820, 8143, 8194, 9580, 9640, 16286, 16388, 19160, 20485, 32572, 32776, 40715, 40970, 65144, 81430, 81940, 115439, 162860, 163880, 230878, 325720, 461756, 577195, 923512, 1154390, 1962463, 2308780, 3924926, 4617560, 7849852, 9812315, 15699704, 19624630, 39249260, 78498520]

約数ペア:

[(1, 78498520), (2, 39249260), (4, 19624630), (5, 15699704), (8, 9812315), (10, 7849852), (17, 4617560), (20, 3924926), (34, 2308780), (40, 1962463), (68, 1154390), (85, 923512), (136, 577195), (170, 461756), (241, 325720), (340, 230878), (479, 163880), (482, 162860), (680, 115439), (958, 81940), (964, 81430), (1205, 65144), (1916, 40970), (1928, 40715), (2395, 32776), (2410, 32572), (3832, 20485), (4097, 19160), (4790, 16388), (4820, 16286), (8143, 9640), (8194, 9580)]