28399440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 88583616

約数和(自身を除く): 60184176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 241, 482, 491, 723, 964, 982, 1205, 1446, 1473, 1928, 1964, 2410, 2455, 2892, 2946, 3615, 3856, 3928, 4820, 4910, 5784, 5892, 7230, 7365, 7856, 9640, 9820, 11568, 11784, 14460, 14730, 19280, 19640, 23568, 28920, 29460, 39280, 57840, 58920, 117840, 118331, 236662, 354993, 473324, 591655, 709986, 946648, 1183310, 1419972, 1774965, 1893296, 2366620, 2839944, 3549930, 4733240, 5679888, 7099860, 9466480, 14199720, 28399440]

約数ペア:

[(1, 28399440), (2, 14199720), (3, 9466480), (4, 7099860), (5, 5679888), (6, 4733240), (8, 3549930), (10, 2839944), (12, 2366620), (15, 1893296), (16, 1774965), (20, 1419972), (24, 1183310), (30, 946648), (40, 709986), (48, 591655), (60, 473324), (80, 354993), (120, 236662), (240, 118331), (241, 117840), (482, 58920), (491, 57840), (723, 39280), (964, 29460), (982, 28920), (1205, 23568), (1446, 19640), (1473, 19280), (1928, 14730), (1964, 14460), (2410, 11784), (2455, 11568), (2892, 9820), (2946, 9640), (3615, 7856), (3856, 7365), (3928, 7230), (4820, 5892), (4910, 5784)]