28189680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1698

約数の個数: 80

約数和(自身を含む): 88640160

約数和(自身を除く): 60450480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1609, 1752, 2190, 2920, 3218, 3504, 4380, 4827, 5840, 6436, 8045, 8760, 9654, 12872, 16090, 17520, 19308, 24135, 25744, 32180, 38616, 48270, 64360, 77232, 96540, 117457, 128720, 193080, 234914, 352371, 386160, 469828, 587285, 704742, 939656, 1174570, 1409484, 1761855, 1879312, 2349140, 2818968, 3523710, 4698280, 5637936, 7047420, 9396560, 14094840, 28189680]

約数ペア:

[(1, 28189680), (2, 14094840), (3, 9396560), (4, 7047420), (5, 5637936), (6, 4698280), (8, 3523710), (10, 2818968), (12, 2349140), (15, 1879312), (16, 1761855), (20, 1409484), (24, 1174570), (30, 939656), (40, 704742), (48, 587285), (60, 469828), (73, 386160), (80, 352371), (120, 234914), (146, 193080), (219, 128720), (240, 117457), (292, 96540), (365, 77232), (438, 64360), (584, 48270), (730, 38616), (876, 32180), (1095, 25744), (1168, 24135), (1460, 19308), (1609, 17520), (1752, 16090), (2190, 12872), (2920, 9654), (3218, 8760), (3504, 8045), (4380, 6436), (4827, 5840)]