4728420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 14534520

約数和(自身を除く): 9806100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 241, 327, 436, 482, 545, 654, 723, 964, 981, 1090, 1205, 1308, 1446, 1635, 1962, 2169, 2180, 2410, 2892, 3270, 3615, 3924, 4338, 4820, 4905, 6540, 7230, 8676, 9810, 10845, 14460, 19620, 21690, 26269, 43380, 52538, 78807, 105076, 131345, 157614, 236421, 262690, 315228, 394035, 472842, 525380, 788070, 945684, 1182105, 1576140, 2364210, 4728420]

約数ペア:

[(1, 4728420), (2, 2364210), (3, 1576140), (4, 1182105), (5, 945684), (6, 788070), (9, 525380), (10, 472842), (12, 394035), (15, 315228), (18, 262690), (20, 236421), (30, 157614), (36, 131345), (45, 105076), (60, 78807), (90, 52538), (109, 43380), (180, 26269), (218, 21690), (241, 19620), (327, 14460), (436, 10845), (482, 9810), (545, 8676), (654, 7230), (723, 6540), (964, 4905), (981, 4820), (1090, 4338), (1205, 3924), (1308, 3615), (1446, 3270), (1635, 2892), (1962, 2410), (2169, 2180)]