264736280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 630594720

約数和(自身を除く): 365858440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 97, 124, 142, 155, 194, 248, 284, 310, 355, 388, 485, 568, 620, 710, 776, 961, 970, 1240, 1420, 1922, 1940, 2201, 2840, 3007, 3844, 3880, 4402, 4805, 6014, 6887, 7688, 8804, 9610, 11005, 12028, 13774, 15035, 17608, 19220, 22010, 24056, 27548, 30070, 34435, 38440, 44020, 55096, 60140, 68231, 68870, 88040, 93217, 120280, 136462, 137740, 186434, 213497, 272924, 275480, 341155, 372868, 426994, 466085, 545848, 682310, 745736, 853988, 932170, 1067485, 1364620, 1707976, 1864340, 2134970, 2729240, 3728680, 4269940, 6618407, 8539880, 13236814, 26473628, 33092035, 52947256, 66184070, 132368140, 264736280]

約数ペア:

[(1, 264736280), (2, 132368140), (4, 66184070), (5, 52947256), (8, 33092035), (10, 26473628), (20, 13236814), (31, 8539880), (40, 6618407), (62, 4269940), (71, 3728680), (97, 2729240), (124, 2134970), (142, 1864340), (155, 1707976), (194, 1364620), (248, 1067485), (284, 932170), (310, 853988), (355, 745736), (388, 682310), (485, 545848), (568, 466085), (620, 426994), (710, 372868), (776, 341155), (961, 275480), (970, 272924), (1240, 213497), (1420, 186434), (1922, 137740), (1940, 136462), (2201, 120280), (2840, 93217), (3007, 88040), (3844, 68870), (3880, 68231), (4402, 60140), (4805, 55096), (6014, 44020), (6887, 38440), (7688, 34435), (8804, 30070), (9610, 27548), (11005, 24056), (12028, 22010), (13774, 19220), (15035, 17608)]