28187460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{7457}}^1$

素因数の和:7482

約数の個数: 96

約数和(自身を含む): 100235520

約数和(自身を除く): 72048060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 7457, 14914, 22371, 29828, 37285, 44742, 52199, 67113, 74570, 89484, 104398, 111855, 134226, 149140, 156597, 201339, 208796, 223710, 260995, 268452, 313194, 335565, 402678, 447420, 469791, 521990, 626388, 671130, 782985, 805356, 939582, 1006695, 1043980, 1342260, 1409373, 1565970, 1879164, 2013390, 2348955, 2818746, 3131940, 4026780, 4697910, 5637492, 7046865, 9395820, 14093730, 28187460]

約数ペア:

[(1, 28187460), (2, 14093730), (3, 9395820), (4, 7046865), (5, 5637492), (6, 4697910), (7, 4026780), (9, 3131940), (10, 2818746), (12, 2348955), (14, 2013390), (15, 1879164), (18, 1565970), (20, 1409373), (21, 1342260), (27, 1043980), (28, 1006695), (30, 939582), (35, 805356), (36, 782985), (42, 671130), (45, 626388), (54, 521990), (60, 469791), (63, 447420), (70, 402678), (84, 335565), (90, 313194), (105, 268452), (108, 260995), (126, 223710), (135, 208796), (140, 201339), (180, 156597), (189, 149140), (210, 134226), (252, 111855), (270, 104398), (315, 89484), (378, 74570), (420, 67113), (540, 52199), (630, 44742), (756, 37285), (945, 29828), (1260, 22371), (1890, 14914), (3780, 7457)]