21870120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3089}}^1$

素因数の和:3162

約数の個数: 64

約数和(自身を含む): 66744000

約数和(自身を除く): 44873880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 3089, 3540, 6178, 7080, 9267, 12356, 15445, 18534, 24712, 30890, 37068, 46335, 61780, 74136, 92670, 123560, 182251, 185340, 364502, 370680, 546753, 729004, 911255, 1093506, 1458008, 1822510, 2187012, 2733765, 3645020, 4374024, 5467530, 7290040, 10935060, 21870120]

約数ペア:

[(1, 21870120), (2, 10935060), (3, 7290040), (4, 5467530), (5, 4374024), (6, 3645020), (8, 2733765), (10, 2187012), (12, 1822510), (15, 1458008), (20, 1093506), (24, 911255), (30, 729004), (40, 546753), (59, 370680), (60, 364502), (118, 185340), (120, 182251), (177, 123560), (236, 92670), (295, 74136), (354, 61780), (472, 46335), (590, 37068), (708, 30890), (885, 24712), (1180, 18534), (1416, 15445), (1770, 12356), (2360, 9267), (3089, 7080), (3540, 6178)]