260909280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{443}}^1$

素因数の和:873

約数の個数: 144

約数和(自身を含む): 894544560

約数和(自身を除く): 633635280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 409, 443, 480, 720, 818, 886, 1227, 1329, 1440, 1636, 1772, 2045, 2215, 2454, 2658, 3272, 3544, 3681, 3987, 4090, 4430, 4908, 5316, 6135, 6544, 6645, 7088, 7362, 7974, 8180, 8860, 9816, 10632, 12270, 13088, 13290, 14176, 14724, 15948, 16360, 17720, 18405, 19632, 19935, 21264, 24540, 26580, 29448, 31896, 32720, 35440, 36810, 39264, 39870, 42528, 49080, 53160, 58896, 63792, 65440, 70880, 73620, 79740, 98160, 106320, 117792, 127584, 147240, 159480, 181187, 196320, 212640, 294480, 318960, 362374, 543561, 588960, 637920, 724748, 905935, 1087122, 1449496, 1630683, 1811870, 2174244, 2717805, 2898992, 3261366, 3623740, 4348488, 5435610, 5797984, 6522732, 7247480, 8153415, 8696976, 10871220, 13045464, 14494960, 16306830, 17393952, 21742440, 26090928, 28989920, 32613660, 43484880, 52181856, 65227320, 86969760, 130454640, 260909280]

約数ペア:

[(1, 260909280), (2, 130454640), (3, 86969760), (4, 65227320), (5, 52181856), (6, 43484880), (8, 32613660), (9, 28989920), (10, 26090928), (12, 21742440), (15, 17393952), (16, 16306830), (18, 14494960), (20, 13045464), (24, 10871220), (30, 8696976), (32, 8153415), (36, 7247480), (40, 6522732), (45, 5797984), (48, 5435610), (60, 4348488), (72, 3623740), (80, 3261366), (90, 2898992), (96, 2717805), (120, 2174244), (144, 1811870), (160, 1630683), (180, 1449496), (240, 1087122), (288, 905935), (360, 724748), (409, 637920), (443, 588960), (480, 543561), (720, 362374), (818, 318960), (886, 294480), (1227, 212640), (1329, 196320), (1440, 181187), (1636, 159480), (1772, 147240), (2045, 127584), (2215, 117792), (2454, 106320), (2658, 98160), (3272, 79740), (3544, 73620), (3681, 70880), (3987, 65440), (4090, 63792), (4430, 58896), (4908, 53160), (5316, 49080), (6135, 42528), (6544, 39870), (6645, 39264), (7088, 36810), (7362, 35440), (7974, 32720), (8180, 31896), (8860, 29448), (9816, 26580), (10632, 24540), (12270, 21264), (13088, 19935), (13290, 19632), (14176, 18405), (14724, 17720), (15948, 16360)]