28900260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 96

約数和(自身を含む): 90921600

約数和(自身を除く): 62021340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 109, 135, 180, 218, 270, 327, 436, 491, 540, 545, 654, 981, 982, 1090, 1308, 1473, 1635, 1962, 1964, 2180, 2455, 2943, 2946, 3270, 3924, 4419, 4905, 4910, 5886, 5892, 6540, 7365, 8838, 9810, 9820, 11772, 13257, 14715, 14730, 17676, 19620, 22095, 26514, 29430, 29460, 44190, 53028, 53519, 58860, 66285, 88380, 107038, 132570, 160557, 214076, 265140, 267595, 321114, 481671, 535190, 642228, 802785, 963342, 1070380, 1445013, 1605570, 1926684, 2408355, 2890026, 3211140, 4816710, 5780052, 7225065, 9633420, 14450130, 28900260]

約数ペア:

[(1, 28900260), (2, 14450130), (3, 9633420), (4, 7225065), (5, 5780052), (6, 4816710), (9, 3211140), (10, 2890026), (12, 2408355), (15, 1926684), (18, 1605570), (20, 1445013), (27, 1070380), (30, 963342), (36, 802785), (45, 642228), (54, 535190), (60, 481671), (90, 321114), (108, 267595), (109, 265140), (135, 214076), (180, 160557), (218, 132570), (270, 107038), (327, 88380), (436, 66285), (491, 58860), (540, 53519), (545, 53028), (654, 44190), (981, 29460), (982, 29430), (1090, 26514), (1308, 22095), (1473, 19620), (1635, 17676), (1962, 14730), (1964, 14715), (2180, 13257), (2455, 11772), (2943, 9820), (2946, 9810), (3270, 8838), (3924, 7365), (4419, 6540), (4905, 5892), (4910, 5886)]