80891360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 228614400

約数和(自身を除く): 147723040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 41, 44, 55, 59, 76, 80, 82, 88, 95, 110, 118, 152, 160, 164, 176, 190, 205, 209, 220, 236, 295, 304, 328, 352, 380, 410, 418, 440, 451, 472, 590, 608, 649, 656, 760, 779, 820, 836, 880, 902, 944, 1045, 1121, 1180, 1298, 1312, 1520, 1558, 1640, 1672, 1760, 1804, 1888, 2090, 2242, 2255, 2360, 2419, 2596, 3040, 3116, 3245, 3280, 3344, 3608, 3895, 4180, 4484, 4510, 4720, 4838, 5192, 5605, 6232, 6490, 6560, 6688, 7216, 7790, 8360, 8569, 8968, 9020, 9440, 9676, 10384, 11210, 12095, 12331, 12464, 12980, 14432, 15580, 16720, 17138, 17936, 18040, 19352, 20768, 22420, 24190, 24662, 24928, 25960, 26609, 31160, 33440, 34276, 35872, 36080, 38704, 42845, 44840, 45961, 48380, 49324, 51920, 53218, 61655, 62320, 68552, 72160, 77408, 85690, 89680, 91922, 96760, 98648, 103840, 106436, 123310, 124640, 133045, 137104, 171380, 179360, 183844, 193520, 197296, 212872, 229805, 246620, 266090, 274208, 342760, 367688, 387040, 394592, 425744, 459610, 493240, 505571, 532180, 685520, 735376, 851488, 919220, 986480, 1011142, 1064360, 1371040, 1470752, 1838440, 1972960, 2022284, 2128720, 2527855, 3676880, 4044568, 4257440, 5055710, 7353760, 8089136, 10111420, 16178272, 20222840, 40445680, 80891360]

約数ペア:

[(1, 80891360), (2, 40445680), (4, 20222840), (5, 16178272), (8, 10111420), (10, 8089136), (11, 7353760), (16, 5055710), (19, 4257440), (20, 4044568), (22, 3676880), (32, 2527855), (38, 2128720), (40, 2022284), (41, 1972960), (44, 1838440), (55, 1470752), (59, 1371040), (76, 1064360), (80, 1011142), (82, 986480), (88, 919220), (95, 851488), (110, 735376), (118, 685520), (152, 532180), (160, 505571), (164, 493240), (176, 459610), (190, 425744), (205, 394592), (209, 387040), (220, 367688), (236, 342760), (295, 274208), (304, 266090), (328, 246620), (352, 229805), (380, 212872), (410, 197296), (418, 193520), (440, 183844), (451, 179360), (472, 171380), (590, 137104), (608, 133045), (649, 124640), (656, 123310), (760, 106436), (779, 103840), (820, 98648), (836, 96760), (880, 91922), (902, 89680), (944, 85690), (1045, 77408), (1121, 72160), (1180, 68552), (1298, 62320), (1312, 61655), (1520, 53218), (1558, 51920), (1640, 49324), (1672, 48380), (1760, 45961), (1804, 44840), (1888, 42845), (2090, 38704), (2242, 36080), (2255, 35872), (2360, 34276), (2419, 33440), (2596, 31160), (3040, 26609), (3116, 25960), (3245, 24928), (3280, 24662), (3344, 24190), (3608, 22420), (3895, 20768), (4180, 19352), (4484, 18040), (4510, 17936), (4720, 17138), (4838, 16720), (5192, 15580), (5605, 14432), (6232, 12980), (6490, 12464), (6560, 12331), (6688, 12095), (7216, 11210), (7790, 10384), (8360, 9676), (8569, 9440), (8968, 9020)]