89868780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2089}}^1$

素因数の和:2343

約数の個数: 72

約数和(自身を含む): 273873600

約数和(自身を除く): 184004820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2089, 2151, 2390, 2868, 3585, 4178, 4302, 4780, 6267, 7170, 8356, 8604, 10445, 10755, 12534, 14340, 18801, 20890, 21510, 25068, 31335, 37602, 41780, 43020, 62670, 75204, 94005, 125340, 188010, 376020, 499271, 998542, 1497813, 1997084, 2496355, 2995626, 4493439, 4992710, 5991252, 7489065, 8986878, 9985420, 14978130, 17973756, 22467195, 29956260, 44934390, 89868780]

約数ペア:

[(1, 89868780), (2, 44934390), (3, 29956260), (4, 22467195), (5, 17973756), (6, 14978130), (9, 9985420), (10, 8986878), (12, 7489065), (15, 5991252), (18, 4992710), (20, 4493439), (30, 2995626), (36, 2496355), (45, 1997084), (60, 1497813), (90, 998542), (180, 499271), (239, 376020), (478, 188010), (717, 125340), (956, 94005), (1195, 75204), (1434, 62670), (2089, 43020), (2151, 41780), (2390, 37602), (2868, 31335), (3585, 25068), (4178, 21510), (4302, 20890), (4780, 18801), (6267, 14340), (7170, 12534), (8356, 10755), (8604, 10445)]