31503280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 78030720

約数和(自身を除く): 46527440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 367, 370, 464, 580, 592, 734, 740, 1073, 1160, 1468, 1480, 1835, 2146, 2320, 2936, 2960, 3670, 4292, 5365, 5872, 7340, 8584, 10643, 10730, 13579, 14680, 17168, 21286, 21460, 27158, 29360, 42572, 42920, 53215, 54316, 67895, 85144, 85840, 106430, 108632, 135790, 170288, 212860, 217264, 271580, 393791, 425720, 543160, 787582, 851440, 1086320, 1575164, 1968955, 3150328, 3937910, 6300656, 7875820, 15751640, 31503280]

約数ペア:

[(1, 31503280), (2, 15751640), (4, 7875820), (5, 6300656), (8, 3937910), (10, 3150328), (16, 1968955), (20, 1575164), (29, 1086320), (37, 851440), (40, 787582), (58, 543160), (74, 425720), (80, 393791), (116, 271580), (145, 217264), (148, 212860), (185, 170288), (232, 135790), (290, 108632), (296, 106430), (367, 85840), (370, 85144), (464, 67895), (580, 54316), (592, 53215), (734, 42920), (740, 42572), (1073, 29360), (1160, 27158), (1468, 21460), (1480, 21286), (1835, 17168), (2146, 14680), (2320, 13579), (2936, 10730), (2960, 10643), (3670, 8584), (4292, 7340), (5365, 5872)]