28035480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 93415680

約数和(自身を除く): 65380200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 67, 88, 110, 120, 132, 134, 165, 201, 220, 264, 268, 317, 330, 335, 402, 440, 536, 634, 660, 670, 737, 804, 951, 1005, 1268, 1320, 1340, 1474, 1585, 1608, 1902, 2010, 2211, 2536, 2680, 2948, 3170, 3487, 3685, 3804, 4020, 4422, 4755, 5896, 6340, 6974, 7370, 7608, 8040, 8844, 9510, 10461, 11055, 12680, 13948, 14740, 17435, 17688, 19020, 20922, 21239, 22110, 27896, 29480, 34870, 38040, 41844, 42478, 44220, 52305, 63717, 69740, 83688, 84956, 88440, 104610, 106195, 127434, 139480, 169912, 209220, 212390, 233629, 254868, 318585, 418440, 424780, 467258, 509736, 637170, 700887, 849560, 934516, 1168145, 1274340, 1401774, 1869032, 2336290, 2548680, 2803548, 3504435, 4672580, 5607096, 7008870, 9345160, 14017740, 28035480]

約数ペア:

[(1, 28035480), (2, 14017740), (3, 9345160), (4, 7008870), (5, 5607096), (6, 4672580), (8, 3504435), (10, 2803548), (11, 2548680), (12, 2336290), (15, 1869032), (20, 1401774), (22, 1274340), (24, 1168145), (30, 934516), (33, 849560), (40, 700887), (44, 637170), (55, 509736), (60, 467258), (66, 424780), (67, 418440), (88, 318585), (110, 254868), (120, 233629), (132, 212390), (134, 209220), (165, 169912), (201, 139480), (220, 127434), (264, 106195), (268, 104610), (317, 88440), (330, 84956), (335, 83688), (402, 69740), (440, 63717), (536, 52305), (634, 44220), (660, 42478), (670, 41844), (737, 38040), (804, 34870), (951, 29480), (1005, 27896), (1268, 22110), (1320, 21239), (1340, 20922), (1474, 19020), (1585, 17688), (1608, 17435), (1902, 14740), (2010, 13948), (2211, 12680), (2536, 11055), (2680, 10461), (2948, 9510), (3170, 8844), (3487, 8040), (3685, 7608), (3804, 7370), (4020, 6974), (4422, 6340), (4755, 5896)]