220712960

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:871

約数の個数: 104

約数和(自身を含む): 571076520

約数和(自身を除く): 350363560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 829, 832, 1024, 1040, 1280, 1658, 1664, 2048, 2080, 2560, 3316, 3328, 4096, 4145, 4160, 5120, 6632, 6656, 8290, 8320, 10240, 10777, 13264, 13312, 16580, 16640, 20480, 21554, 26528, 26624, 33160, 33280, 43108, 53056, 53248, 53885, 66320, 66560, 86216, 106112, 107770, 132640, 133120, 172432, 212224, 215540, 265280, 266240, 344864, 424448, 431080, 530560, 689728, 848896, 862160, 1061120, 1379456, 1697792, 1724320, 2122240, 2758912, 3395584, 3448640, 4244480, 5517824, 6897280, 8488960, 11035648, 13794560, 16977920, 22071296, 27589120, 44142592, 55178240, 110356480, 220712960]

約数ペア:

[(1, 220712960), (2, 110356480), (4, 55178240), (5, 44142592), (8, 27589120), (10, 22071296), (13, 16977920), (16, 13794560), (20, 11035648), (26, 8488960), (32, 6897280), (40, 5517824), (52, 4244480), (64, 3448640), (65, 3395584), (80, 2758912), (104, 2122240), (128, 1724320), (130, 1697792), (160, 1379456), (208, 1061120), (256, 862160), (260, 848896), (320, 689728), (416, 530560), (512, 431080), (520, 424448), (640, 344864), (829, 266240), (832, 265280), (1024, 215540), (1040, 212224), (1280, 172432), (1658, 133120), (1664, 132640), (2048, 107770), (2080, 106112), (2560, 86216), (3316, 66560), (3328, 66320), (4096, 53885), (4145, 53248), (4160, 53056), (5120, 43108), (6632, 33280), (6656, 33160), (8290, 26624), (8320, 26528), (10240, 21554), (10777, 20480), (13264, 16640), (13312, 16580)]