28431240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 88352640

約数和(自身を除く): 59921400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 71, 94, 120, 141, 142, 188, 213, 235, 282, 284, 355, 376, 426, 470, 564, 568, 705, 710, 852, 940, 1065, 1128, 1410, 1420, 1704, 1880, 2130, 2820, 2840, 3337, 4260, 5041, 5640, 6674, 8520, 10011, 10082, 13348, 15123, 16685, 20022, 20164, 25205, 26696, 30246, 33370, 40044, 40328, 50055, 50410, 60492, 66740, 75615, 80088, 100110, 100820, 120984, 133480, 151230, 200220, 201640, 236927, 302460, 400440, 473854, 604920, 710781, 947708, 1184635, 1421562, 1895416, 2369270, 2843124, 3553905, 4738540, 5686248, 7107810, 9477080, 14215620, 28431240]

約数ペア:

[(1, 28431240), (2, 14215620), (3, 9477080), (4, 7107810), (5, 5686248), (6, 4738540), (8, 3553905), (10, 2843124), (12, 2369270), (15, 1895416), (20, 1421562), (24, 1184635), (30, 947708), (40, 710781), (47, 604920), (60, 473854), (71, 400440), (94, 302460), (120, 236927), (141, 201640), (142, 200220), (188, 151230), (213, 133480), (235, 120984), (282, 100820), (284, 100110), (355, 80088), (376, 75615), (426, 66740), (470, 60492), (564, 50410), (568, 50055), (705, 40328), (710, 40044), (852, 33370), (940, 30246), (1065, 26696), (1128, 25205), (1410, 20164), (1420, 20022), (1704, 16685), (1880, 15123), (2130, 13348), (2820, 10082), (2840, 10011), (3337, 8520), (4260, 6674), (5041, 5640)]