31487760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:553

約数の個数: 120

約数和(自身を含む): 107040024

約数和(自身を除く): 75552264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 303, 360, 404, 433, 505, 606, 720, 808, 866, 909, 1010, 1212, 1299, 1515, 1616, 1732, 1818, 2020, 2165, 2424, 2598, 3030, 3464, 3636, 3897, 4040, 4330, 4545, 4848, 5196, 6060, 6495, 6928, 7272, 7794, 8080, 8660, 9090, 10392, 12120, 12990, 14544, 15588, 17320, 18180, 19485, 20784, 24240, 25980, 31176, 34640, 36360, 38970, 43733, 51960, 62352, 72720, 77940, 87466, 103920, 131199, 155880, 174932, 218665, 262398, 311760, 349864, 393597, 437330, 524796, 655995, 699728, 787194, 874660, 1049592, 1311990, 1574388, 1749320, 1967985, 2099184, 2623980, 3148776, 3498640, 3935970, 5247960, 6297552, 7871940, 10495920, 15743880, 31487760]

約数ペア:

[(1, 31487760), (2, 15743880), (3, 10495920), (4, 7871940), (5, 6297552), (6, 5247960), (8, 3935970), (9, 3498640), (10, 3148776), (12, 2623980), (15, 2099184), (16, 1967985), (18, 1749320), (20, 1574388), (24, 1311990), (30, 1049592), (36, 874660), (40, 787194), (45, 699728), (48, 655995), (60, 524796), (72, 437330), (80, 393597), (90, 349864), (101, 311760), (120, 262398), (144, 218665), (180, 174932), (202, 155880), (240, 131199), (303, 103920), (360, 87466), (404, 77940), (433, 72720), (505, 62352), (606, 51960), (720, 43733), (808, 38970), (866, 36360), (909, 34640), (1010, 31176), (1212, 25980), (1299, 24240), (1515, 20784), (1616, 19485), (1732, 18180), (1818, 17320), (2020, 15588), (2165, 14544), (2424, 12990), (2598, 12120), (3030, 10392), (3464, 9090), (3636, 8660), (3897, 8080), (4040, 7794), (4330, 7272), (4545, 6928), (4848, 6495), (5196, 6060)]