28636740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1607}}^1$

素因数の和:1639

約数の個数: 120

約数和(自身を含む): 98062272

約数和(自身を除く): 69425532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1607, 1620, 1782, 1980, 2970, 3214, 3564, 4455, 4821, 5940, 6428, 8035, 8910, 9642, 14463, 16070, 17677, 17820, 19284, 24105, 28926, 32140, 35354, 43389, 48210, 53031, 57852, 70708, 72315, 86778, 88385, 96420, 106062, 130167, 144630, 159093, 173556, 176770, 212124, 216945, 260334, 265155, 289260, 318186, 353540, 433890, 477279, 520668, 530310, 636372, 650835, 795465, 867780, 954558, 1060620, 1301670, 1431837, 1590930, 1909116, 2386395, 2603340, 2863674, 3181860, 4772790, 5727348, 7159185, 9545580, 14318370, 28636740]

約数ペア:

[(1, 28636740), (2, 14318370), (3, 9545580), (4, 7159185), (5, 5727348), (6, 4772790), (9, 3181860), (10, 2863674), (11, 2603340), (12, 2386395), (15, 1909116), (18, 1590930), (20, 1431837), (22, 1301670), (27, 1060620), (30, 954558), (33, 867780), (36, 795465), (44, 650835), (45, 636372), (54, 530310), (55, 520668), (60, 477279), (66, 433890), (81, 353540), (90, 318186), (99, 289260), (108, 265155), (110, 260334), (132, 216945), (135, 212124), (162, 176770), (165, 173556), (180, 159093), (198, 144630), (220, 130167), (270, 106062), (297, 96420), (324, 88385), (330, 86778), (396, 72315), (405, 70708), (495, 57852), (540, 53031), (594, 48210), (660, 43389), (810, 35354), (891, 32140), (990, 28926), (1188, 24105), (1485, 19284), (1607, 17820), (1620, 17677), (1782, 16070), (1980, 14463), (2970, 9642), (3214, 8910), (3564, 8035), (4455, 6428), (4821, 5940)]