2805991040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{607}}^1$

素因数の和:890

約数の個数: 128

約数和(自身を含む): 6965637120

約数和(自身を除く): 4159646080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 233, 248, 310, 320, 466, 496, 607, 620, 640, 932, 992, 1165, 1214, 1240, 1864, 1984, 2330, 2428, 2480, 3035, 3728, 3968, 4660, 4856, 4960, 6070, 7223, 7456, 9320, 9712, 9920, 12140, 14446, 14912, 18640, 18817, 19424, 19840, 24280, 28892, 29824, 36115, 37280, 37634, 38848, 48560, 57784, 72230, 74560, 75268, 77696, 94085, 97120, 115568, 141431, 144460, 149120, 150536, 188170, 194240, 231136, 282862, 288920, 301072, 376340, 388480, 462272, 565724, 577840, 602144, 707155, 752680, 924544, 1131448, 1155680, 1204288, 1414310, 1505360, 2262896, 2311360, 2408576, 2828620, 3010720, 4384361, 4525792, 4622720, 5657240, 6021440, 8768722, 9051584, 11314480, 12042880, 17537444, 18103168, 21921805, 22628960, 35074888, 43843610, 45257920, 70149776, 87687220, 90515840, 140299552, 175374440, 280599104, 350748880, 561198208, 701497760, 1402995520, 2805991040]

約数ペア:

[(1, 2805991040), (2, 1402995520), (4, 701497760), (5, 561198208), (8, 350748880), (10, 280599104), (16, 175374440), (20, 140299552), (31, 90515840), (32, 87687220), (40, 70149776), (62, 45257920), (64, 43843610), (80, 35074888), (124, 22628960), (128, 21921805), (155, 18103168), (160, 17537444), (233, 12042880), (248, 11314480), (310, 9051584), (320, 8768722), (466, 6021440), (496, 5657240), (607, 4622720), (620, 4525792), (640, 4384361), (932, 3010720), (992, 2828620), (1165, 2408576), (1214, 2311360), (1240, 2262896), (1864, 1505360), (1984, 1414310), (2330, 1204288), (2428, 1155680), (2480, 1131448), (3035, 924544), (3728, 752680), (3968, 707155), (4660, 602144), (4856, 577840), (4960, 565724), (6070, 462272), (7223, 388480), (7456, 376340), (9320, 301072), (9712, 288920), (9920, 282862), (12140, 231136), (14446, 194240), (14912, 188170), (18640, 150536), (18817, 149120), (19424, 144460), (19840, 141431), (24280, 115568), (28892, 97120), (29824, 94085), (36115, 77696), (37280, 75268), (37634, 74560), (38848, 72230), (48560, 57784)]