255195720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1820

約数の個数: 192

約数和(自身を含む): 922521600

約数和(自身を除く): 667325880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1759, 1860, 2015, 2232, 2340, 2418, 2790, 3224, 3518, 3627, 3720, 4030, 4680, 4836, 5277, 5580, 6045, 7036, 7254, 8060, 8795, 9672, 10554, 11160, 12090, 14072, 14508, 15831, 16120, 17590, 18135, 21108, 22867, 24180, 26385, 29016, 31662, 35180, 36270, 42216, 45734, 48360, 52770, 54529, 63324, 68601, 70360, 72540, 79155, 91468, 105540, 109058, 114335, 126648, 137202, 145080, 158310, 163587, 182936, 205803, 211080, 218116, 228670, 272645, 274404, 316620, 327174, 343005, 411606, 436232, 457340, 490761, 545290, 548808, 633240, 654348, 686010, 708877, 817935, 823212, 914680, 981522, 1029015, 1090580, 1308696, 1372020, 1417754, 1635870, 1646424, 1963044, 2058030, 2126631, 2181160, 2453805, 2744040, 2835508, 3271740, 3544385, 3926088, 4116060, 4253262, 4907610, 5671016, 6379893, 6543480, 7088770, 8232120, 8506524, 9815220, 10633155, 12759786, 14177540, 17013048, 19630440, 21266310, 25519572, 28355080, 31899465, 42532620, 51039144, 63798930, 85065240, 127597860, 255195720]

約数ペア:

[(1, 255195720), (2, 127597860), (3, 85065240), (4, 63798930), (5, 51039144), (6, 42532620), (8, 31899465), (9, 28355080), (10, 25519572), (12, 21266310), (13, 19630440), (15, 17013048), (18, 14177540), (20, 12759786), (24, 10633155), (26, 9815220), (30, 8506524), (31, 8232120), (36, 7088770), (39, 6543480), (40, 6379893), (45, 5671016), (52, 4907610), (60, 4253262), (62, 4116060), (65, 3926088), (72, 3544385), (78, 3271740), (90, 2835508), (93, 2744040), (104, 2453805), (117, 2181160), (120, 2126631), (124, 2058030), (130, 1963044), (155, 1646424), (156, 1635870), (180, 1417754), (186, 1372020), (195, 1308696), (234, 1090580), (248, 1029015), (260, 981522), (279, 914680), (310, 823212), (312, 817935), (360, 708877), (372, 686010), (390, 654348), (403, 633240), (465, 548808), (468, 545290), (520, 490761), (558, 457340), (585, 436232), (620, 411606), (744, 343005), (780, 327174), (806, 316620), (930, 274404), (936, 272645), (1116, 228670), (1170, 218116), (1209, 211080), (1240, 205803), (1395, 182936), (1560, 163587), (1612, 158310), (1759, 145080), (1860, 137202), (2015, 126648), (2232, 114335), (2340, 109058), (2418, 105540), (2790, 91468), (3224, 79155), (3518, 72540), (3627, 70360), (3720, 68601), (4030, 63324), (4680, 54529), (4836, 52770), (5277, 48360), (5580, 45734), (6045, 42216), (7036, 36270), (7254, 35180), (8060, 31662), (8795, 29016), (9672, 26385), (10554, 24180), (11160, 22867), (12090, 21108), (14072, 18135), (14508, 17590), (15831, 16120)]