2649170720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1955

約数の個数: 192

約数和(自身を含む): 7567644672

約数和(自身を除く): 4918473952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 41, 56, 62, 70, 80, 82, 112, 124, 140, 155, 160, 164, 205, 217, 224, 248, 280, 287, 310, 328, 410, 434, 496, 560, 574, 620, 656, 820, 868, 992, 1085, 1120, 1148, 1240, 1271, 1312, 1435, 1640, 1736, 1861, 2170, 2296, 2480, 2542, 2870, 3280, 3472, 3722, 4340, 4592, 4960, 5084, 5740, 6355, 6560, 6944, 7444, 8680, 8897, 9184, 9305, 10168, 11480, 12710, 13027, 14888, 17360, 17794, 18610, 20336, 22960, 25420, 26054, 29776, 34720, 35588, 37220, 40672, 44485, 45920, 50840, 52108, 57691, 59552, 65135, 71176, 74440, 76301, 88970, 101680, 104216, 115382, 130270, 142352, 148880, 152602, 177940, 203360, 208432, 230764, 260540, 284704, 288455, 297760, 305204, 355880, 381505, 403837, 416864, 461528, 521080, 534107, 576910, 610408, 711760, 763010, 807674, 923056, 1042160, 1068214, 1153820, 1220816, 1423520, 1526020, 1615348, 1846112, 2019185, 2084320, 2136428, 2307640, 2365331, 2441632, 2670535, 3052040, 3230696, 4038370, 4272856, 4615280, 4730662, 5341070, 6104080, 6461392, 8076740, 8545712, 9230560, 9461324, 10682140, 11826655, 12208160, 12922784, 16153480, 16557317, 17091424, 18922648, 21364280, 23653310, 32306960, 33114634, 37845296, 42728560, 47306620, 64613920, 66229268, 75690592, 82786585, 85457120, 94613240, 132458536, 165573170, 189226480, 264917072, 331146340, 378452960, 529834144, 662292680, 1324585360, 2649170720]

約数ペア:

[(1, 2649170720), (2, 1324585360), (4, 662292680), (5, 529834144), (7, 378452960), (8, 331146340), (10, 264917072), (14, 189226480), (16, 165573170), (20, 132458536), (28, 94613240), (31, 85457120), (32, 82786585), (35, 75690592), (40, 66229268), (41, 64613920), (56, 47306620), (62, 42728560), (70, 37845296), (80, 33114634), (82, 32306960), (112, 23653310), (124, 21364280), (140, 18922648), (155, 17091424), (160, 16557317), (164, 16153480), (205, 12922784), (217, 12208160), (224, 11826655), (248, 10682140), (280, 9461324), (287, 9230560), (310, 8545712), (328, 8076740), (410, 6461392), (434, 6104080), (496, 5341070), (560, 4730662), (574, 4615280), (620, 4272856), (656, 4038370), (820, 3230696), (868, 3052040), (992, 2670535), (1085, 2441632), (1120, 2365331), (1148, 2307640), (1240, 2136428), (1271, 2084320), (1312, 2019185), (1435, 1846112), (1640, 1615348), (1736, 1526020), (1861, 1423520), (2170, 1220816), (2296, 1153820), (2480, 1068214), (2542, 1042160), (2870, 923056), (3280, 807674), (3472, 763010), (3722, 711760), (4340, 610408), (4592, 576910), (4960, 534107), (5084, 521080), (5740, 461528), (6355, 416864), (6560, 403837), (6944, 381505), (7444, 355880), (8680, 305204), (8897, 297760), (9184, 288455), (9305, 284704), (10168, 260540), (11480, 230764), (12710, 208432), (13027, 203360), (14888, 177940), (17360, 152602), (17794, 148880), (18610, 142352), (20336, 130270), (22960, 115382), (25420, 104216), (26054, 101680), (29776, 88970), (34720, 76301), (35588, 74440), (37220, 71176), (40672, 65135), (44485, 59552), (45920, 57691), (50840, 52108)]