31620120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37643}}^1$

素因数の和:37664

約数の個数: 64

約数和(自身を含む): 108414720

約数和(自身を除く): 76794600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 37643, 75286, 112929, 150572, 188215, 225858, 263501, 301144, 376430, 451716, 527002, 564645, 752860, 790503, 903432, 1054004, 1129290, 1317505, 1505720, 1581006, 2108008, 2258580, 2635010, 3162012, 3952515, 4517160, 5270020, 6324024, 7905030, 10540040, 15810060, 31620120]

約数ペア:

[(1, 31620120), (2, 15810060), (3, 10540040), (4, 7905030), (5, 6324024), (6, 5270020), (7, 4517160), (8, 3952515), (10, 3162012), (12, 2635010), (14, 2258580), (15, 2108008), (20, 1581006), (21, 1505720), (24, 1317505), (28, 1129290), (30, 1054004), (35, 903432), (40, 790503), (42, 752860), (56, 564645), (60, 527002), (70, 451716), (84, 376430), (105, 301144), (120, 263501), (140, 225858), (168, 188215), (210, 150572), (280, 112929), (420, 75286), (840, 37643)]