261039840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:433

約数の個数: 192

約数和(自身を含む): 867428352

約数和(自身を除く): 606388512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 80, 93, 96, 106, 120, 124, 155, 159, 160, 186, 212, 240, 248, 265, 310, 318, 331, 372, 424, 465, 480, 496, 530, 620, 636, 662, 744, 795, 848, 930, 992, 993, 1060, 1240, 1272, 1324, 1488, 1590, 1643, 1655, 1696, 1860, 1986, 2120, 2480, 2544, 2648, 2976, 3180, 3286, 3310, 3720, 3972, 4240, 4929, 4960, 4965, 5088, 5296, 6360, 6572, 6620, 7440, 7944, 8215, 8480, 9858, 9930, 10261, 10592, 12720, 13144, 13240, 14880, 15888, 16430, 17543, 19716, 19860, 20522, 24645, 25440, 26288, 26480, 30783, 31776, 32860, 35086, 39432, 39720, 41044, 49290, 51305, 52576, 52629, 52960, 61566, 65720, 70172, 78864, 79440, 82088, 87715, 98580, 102610, 105258, 123132, 131440, 140344, 153915, 157728, 158880, 164176, 175430, 197160, 205220, 210516, 246264, 262880, 263145, 280688, 307830, 328352, 350860, 394320, 410440, 421032, 492528, 526290, 543833, 561376, 615660, 701720, 788640, 820880, 842064, 985056, 1052580, 1087666, 1231320, 1403440, 1631499, 1641760, 1684128, 2105160, 2175332, 2462640, 2719165, 2806880, 3262998, 4210320, 4350664, 4925280, 5438330, 6525996, 8157495, 8420640, 8701328, 10876660, 13051992, 16314990, 17402656, 21753320, 26103984, 32629980, 43506640, 52207968, 65259960, 87013280, 130519920, 261039840]

約数ペア:

[(1, 261039840), (2, 130519920), (3, 87013280), (4, 65259960), (5, 52207968), (6, 43506640), (8, 32629980), (10, 26103984), (12, 21753320), (15, 17402656), (16, 16314990), (20, 13051992), (24, 10876660), (30, 8701328), (31, 8420640), (32, 8157495), (40, 6525996), (48, 5438330), (53, 4925280), (60, 4350664), (62, 4210320), (80, 3262998), (93, 2806880), (96, 2719165), (106, 2462640), (120, 2175332), (124, 2105160), (155, 1684128), (159, 1641760), (160, 1631499), (186, 1403440), (212, 1231320), (240, 1087666), (248, 1052580), (265, 985056), (310, 842064), (318, 820880), (331, 788640), (372, 701720), (424, 615660), (465, 561376), (480, 543833), (496, 526290), (530, 492528), (620, 421032), (636, 410440), (662, 394320), (744, 350860), (795, 328352), (848, 307830), (930, 280688), (992, 263145), (993, 262880), (1060, 246264), (1240, 210516), (1272, 205220), (1324, 197160), (1488, 175430), (1590, 164176), (1643, 158880), (1655, 157728), (1696, 153915), (1860, 140344), (1986, 131440), (2120, 123132), (2480, 105258), (2544, 102610), (2648, 98580), (2976, 87715), (3180, 82088), (3286, 79440), (3310, 78864), (3720, 70172), (3972, 65720), (4240, 61566), (4929, 52960), (4960, 52629), (4965, 52576), (5088, 51305), (5296, 49290), (6360, 41044), (6572, 39720), (6620, 39432), (7440, 35086), (7944, 32860), (8215, 31776), (8480, 30783), (9858, 26480), (9930, 26288), (10261, 25440), (10592, 24645), (12720, 20522), (13144, 19860), (13240, 19716), (14880, 17543), (15888, 16430)]