268117760

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 688746240

約数和(自身を除く): 420628480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 145, 155, 160, 232, 233, 248, 256, 290, 310, 320, 464, 466, 496, 580, 620, 640, 899, 928, 932, 992, 1160, 1165, 1240, 1280, 1798, 1856, 1864, 1984, 2320, 2330, 2480, 3596, 3712, 3728, 3968, 4495, 4640, 4660, 4960, 6757, 7192, 7223, 7424, 7456, 7936, 8990, 9280, 9320, 9920, 13514, 14384, 14446, 14912, 17980, 18560, 18640, 19840, 27028, 28768, 28892, 29824, 33785, 35960, 36115, 37120, 37280, 39680, 54056, 57536, 57784, 59648, 67570, 71920, 72230, 74560, 108112, 115072, 115568, 135140, 143840, 144460, 149120, 209467, 216224, 230144, 231136, 270280, 287680, 288920, 298240, 418934, 432448, 462272, 540560, 575360, 577840, 837868, 864896, 924544, 1047335, 1081120, 1150720, 1155680, 1675736, 1729792, 1849088, 2094670, 2162240, 2311360, 3351472, 4189340, 4324480, 4622720, 6702944, 8378680, 8648960, 9245440, 13405888, 16757360, 26811776, 33514720, 53623552, 67029440, 134058880, 268117760]

約数ペア:

[(1, 268117760), (2, 134058880), (4, 67029440), (5, 53623552), (8, 33514720), (10, 26811776), (16, 16757360), (20, 13405888), (29, 9245440), (31, 8648960), (32, 8378680), (40, 6702944), (58, 4622720), (62, 4324480), (64, 4189340), (80, 3351472), (116, 2311360), (124, 2162240), (128, 2094670), (145, 1849088), (155, 1729792), (160, 1675736), (232, 1155680), (233, 1150720), (248, 1081120), (256, 1047335), (290, 924544), (310, 864896), (320, 837868), (464, 577840), (466, 575360), (496, 540560), (580, 462272), (620, 432448), (640, 418934), (899, 298240), (928, 288920), (932, 287680), (992, 270280), (1160, 231136), (1165, 230144), (1240, 216224), (1280, 209467), (1798, 149120), (1856, 144460), (1864, 143840), (1984, 135140), (2320, 115568), (2330, 115072), (2480, 108112), (3596, 74560), (3712, 72230), (3728, 71920), (3968, 67570), (4495, 59648), (4640, 57784), (4660, 57536), (4960, 54056), (6757, 39680), (7192, 37280), (7223, 37120), (7424, 36115), (7456, 35960), (7936, 33785), (8990, 29824), (9280, 28892), (9320, 28768), (9920, 27028), (13514, 19840), (14384, 18640), (14446, 18560), (14912, 17980)]