266819840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 740353152

約数和(自身を除く): 473533312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 160, 194, 224, 256, 280, 307, 320, 388, 448, 485, 560, 614, 640, 679, 776, 896, 970, 1120, 1228, 1280, 1358, 1535, 1552, 1792, 1940, 2149, 2240, 2456, 2716, 3070, 3104, 3395, 3880, 4298, 4480, 4912, 5432, 6140, 6208, 6790, 7760, 8596, 8960, 9824, 10745, 10864, 12280, 12416, 13580, 15520, 17192, 19648, 21490, 21728, 24560, 24832, 27160, 29779, 31040, 34384, 39296, 42980, 43456, 49120, 54320, 59558, 62080, 68768, 78592, 85960, 86912, 98240, 108640, 119116, 124160, 137536, 148895, 171920, 173824, 196480, 208453, 217280, 238232, 275072, 297790, 343840, 392960, 416906, 434560, 476464, 550144, 595580, 687680, 833812, 869120, 952928, 1042265, 1191160, 1375360, 1667624, 1905856, 2084530, 2382320, 2750720, 3335248, 3811712, 4169060, 4764640, 6670496, 7623424, 8338120, 9529280, 13340992, 16676240, 19058560, 26681984, 33352480, 38117120, 53363968, 66704960, 133409920, 266819840]

約数ペア:

[(1, 266819840), (2, 133409920), (4, 66704960), (5, 53363968), (7, 38117120), (8, 33352480), (10, 26681984), (14, 19058560), (16, 16676240), (20, 13340992), (28, 9529280), (32, 8338120), (35, 7623424), (40, 6670496), (56, 4764640), (64, 4169060), (70, 3811712), (80, 3335248), (97, 2750720), (112, 2382320), (128, 2084530), (140, 1905856), (160, 1667624), (194, 1375360), (224, 1191160), (256, 1042265), (280, 952928), (307, 869120), (320, 833812), (388, 687680), (448, 595580), (485, 550144), (560, 476464), (614, 434560), (640, 416906), (679, 392960), (776, 343840), (896, 297790), (970, 275072), (1120, 238232), (1228, 217280), (1280, 208453), (1358, 196480), (1535, 173824), (1552, 171920), (1792, 148895), (1940, 137536), (2149, 124160), (2240, 119116), (2456, 108640), (2716, 98240), (3070, 86912), (3104, 85960), (3395, 78592), (3880, 68768), (4298, 62080), (4480, 59558), (4912, 54320), (5432, 49120), (6140, 43456), (6208, 42980), (6790, 39296), (7760, 34384), (8596, 31040), (8960, 29779), (9824, 27160), (10745, 24832), (10864, 24560), (12280, 21728), (12416, 21490), (13580, 19648), (15520, 17192)]