72617760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:471

約数の個数: 144

約数和(自身を含む): 250024320

約数和(自身を除く): 177406560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 239, 240, 288, 360, 422, 478, 480, 633, 717, 720, 844, 956, 1055, 1195, 1266, 1434, 1440, 1688, 1899, 1912, 2110, 2151, 2390, 2532, 2868, 3165, 3376, 3585, 3798, 3824, 4220, 4302, 4780, 5064, 5736, 6330, 6752, 7170, 7596, 7648, 8440, 8604, 9495, 9560, 10128, 10755, 11472, 12660, 14340, 15192, 16880, 17208, 18990, 19120, 20256, 21510, 22944, 25320, 28680, 30384, 33760, 34416, 37980, 38240, 43020, 50429, 50640, 57360, 60768, 68832, 75960, 86040, 100858, 101280, 114720, 151287, 151920, 172080, 201716, 252145, 302574, 303840, 344160, 403432, 453861, 504290, 605148, 756435, 806864, 907722, 1008580, 1210296, 1512870, 1613728, 1815444, 2017160, 2269305, 2420592, 3025740, 3630888, 4034320, 4538610, 4841184, 6051480, 7261776, 8068640, 9077220, 12102960, 14523552, 18154440, 24205920, 36308880, 72617760]

約数ペア:

[(1, 72617760), (2, 36308880), (3, 24205920), (4, 18154440), (5, 14523552), (6, 12102960), (8, 9077220), (9, 8068640), (10, 7261776), (12, 6051480), (15, 4841184), (16, 4538610), (18, 4034320), (20, 3630888), (24, 3025740), (30, 2420592), (32, 2269305), (36, 2017160), (40, 1815444), (45, 1613728), (48, 1512870), (60, 1210296), (72, 1008580), (80, 907722), (90, 806864), (96, 756435), (120, 605148), (144, 504290), (160, 453861), (180, 403432), (211, 344160), (239, 303840), (240, 302574), (288, 252145), (360, 201716), (422, 172080), (478, 151920), (480, 151287), (633, 114720), (717, 101280), (720, 100858), (844, 86040), (956, 75960), (1055, 68832), (1195, 60768), (1266, 57360), (1434, 50640), (1440, 50429), (1688, 43020), (1899, 38240), (1912, 37980), (2110, 34416), (2151, 33760), (2390, 30384), (2532, 28680), (2868, 25320), (3165, 22944), (3376, 21510), (3585, 20256), (3798, 19120), (3824, 18990), (4220, 17208), (4302, 16880), (4780, 15192), (5064, 14340), (5736, 12660), (6330, 11472), (6752, 10755), (7170, 10128), (7596, 9560), (7648, 9495), (8440, 8604)]