1815679920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{244043}}^1$

素因数の和:244090

約数の個数: 80

約数和(自身を含む): 5810199552

約数和(自身を除く): 3994519632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 244043, 488086, 732129, 976172, 1220215, 1464258, 1952344, 2440430, 2928516, 3660645, 3904688, 4880860, 5857032, 7321290, 7565333, 9761720, 11714064, 14642580, 15130666, 19523440, 22695999, 29285160, 30261332, 37826665, 45391998, 58570320, 60522664, 75653330, 90783996, 113479995, 121045328, 151306660, 181567992, 226959990, 302613320, 363135984, 453919980, 605226640, 907839960, 1815679920]

約数ペア:

[(1, 1815679920), (2, 907839960), (3, 605226640), (4, 453919980), (5, 363135984), (6, 302613320), (8, 226959990), (10, 181567992), (12, 151306660), (15, 121045328), (16, 113479995), (20, 90783996), (24, 75653330), (30, 60522664), (31, 58570320), (40, 45391998), (48, 37826665), (60, 30261332), (62, 29285160), (80, 22695999), (93, 19523440), (120, 15130666), (124, 14642580), (155, 11714064), (186, 9761720), (240, 7565333), (248, 7321290), (310, 5857032), (372, 4880860), (465, 3904688), (496, 3660645), (620, 2928516), (744, 2440430), (930, 1952344), (1240, 1464258), (1488, 1220215), (1860, 976172), (2480, 732129), (3720, 488086), (7440, 244043)]