73781240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 193536000

約数和(自身を除く): 119754760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 199, 230, 248, 260, 299, 310, 398, 403, 460, 520, 598, 620, 713, 796, 806, 920, 995, 1196, 1240, 1426, 1495, 1592, 1612, 1990, 2015, 2392, 2587, 2852, 2990, 3224, 3565, 3980, 4030, 4577, 5174, 5704, 5980, 6169, 7130, 7960, 8060, 9154, 9269, 10348, 11960, 12338, 12935, 14260, 16120, 18308, 18538, 20696, 22885, 24676, 25870, 28520, 30845, 36616, 37076, 45770, 46345, 49352, 51740, 59501, 61690, 74152, 80197, 91540, 92690, 103480, 119002, 123380, 141887, 160394, 183080, 185380, 238004, 246760, 283774, 297505, 320788, 370760, 400985, 476008, 567548, 595010, 641576, 709435, 801970, 1135096, 1190020, 1418870, 1603940, 1844531, 2380040, 2837740, 3207880, 3689062, 5675480, 7378124, 9222655, 14756248, 18445310, 36890620, 73781240]

約数ペア:

[(1, 73781240), (2, 36890620), (4, 18445310), (5, 14756248), (8, 9222655), (10, 7378124), (13, 5675480), (20, 3689062), (23, 3207880), (26, 2837740), (31, 2380040), (40, 1844531), (46, 1603940), (52, 1418870), (62, 1190020), (65, 1135096), (92, 801970), (104, 709435), (115, 641576), (124, 595010), (130, 567548), (155, 476008), (184, 400985), (199, 370760), (230, 320788), (248, 297505), (260, 283774), (299, 246760), (310, 238004), (398, 185380), (403, 183080), (460, 160394), (520, 141887), (598, 123380), (620, 119002), (713, 103480), (796, 92690), (806, 91540), (920, 80197), (995, 74152), (1196, 61690), (1240, 59501), (1426, 51740), (1495, 49352), (1592, 46345), (1612, 45770), (1990, 37076), (2015, 36616), (2392, 30845), (2587, 28520), (2852, 25870), (2990, 24676), (3224, 22885), (3565, 20696), (3980, 18538), (4030, 18308), (4577, 16120), (5174, 14260), (5704, 12935), (5980, 12338), (6169, 11960), (7130, 10348), (7960, 9269), (8060, 9154)]