28916580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{569}}^1$

素因数の和:610

約数の個数: 144

約数和(自身を含む): 101888640

約数和(自身を除く): 72972060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 569, 605, 660, 726, 770, 847, 924, 1138, 1155, 1210, 1452, 1540, 1694, 1707, 1815, 2276, 2310, 2420, 2541, 2845, 3388, 3414, 3630, 3983, 4235, 4620, 5082, 5690, 6259, 6828, 7260, 7966, 8470, 8535, 10164, 11380, 11949, 12518, 12705, 15932, 16940, 17070, 18777, 19915, 23898, 25036, 25410, 31295, 34140, 37554, 39830, 43813, 47796, 50820, 59745, 62590, 68849, 75108, 79660, 87626, 93885, 119490, 125180, 131439, 137698, 175252, 187770, 206547, 219065, 238980, 262878, 275396, 344245, 375540, 413094, 438130, 481943, 525756, 657195, 688490, 826188, 876260, 963886, 1032735, 1314390, 1376980, 1445829, 1927772, 2065470, 2409715, 2628780, 2891658, 4130940, 4819430, 5783316, 7229145, 9638860, 14458290, 28916580]

約数ペア:

[(1, 28916580), (2, 14458290), (3, 9638860), (4, 7229145), (5, 5783316), (6, 4819430), (7, 4130940), (10, 2891658), (11, 2628780), (12, 2409715), (14, 2065470), (15, 1927772), (20, 1445829), (21, 1376980), (22, 1314390), (28, 1032735), (30, 963886), (33, 876260), (35, 826188), (42, 688490), (44, 657195), (55, 525756), (60, 481943), (66, 438130), (70, 413094), (77, 375540), (84, 344245), (105, 275396), (110, 262878), (121, 238980), (132, 219065), (140, 206547), (154, 187770), (165, 175252), (210, 137698), (220, 131439), (231, 125180), (242, 119490), (308, 93885), (330, 87626), (363, 79660), (385, 75108), (420, 68849), (462, 62590), (484, 59745), (569, 50820), (605, 47796), (660, 43813), (726, 39830), (770, 37554), (847, 34140), (924, 31295), (1138, 25410), (1155, 25036), (1210, 23898), (1452, 19915), (1540, 18777), (1694, 17070), (1707, 16940), (1815, 15932), (2276, 12705), (2310, 12518), (2420, 11949), (2541, 11380), (2845, 10164), (3388, 8535), (3414, 8470), (3630, 7966), (3983, 7260), (4235, 6828), (4620, 6259), (5082, 5690)]