255457020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 914941440

約数和(自身を除く): 659484420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 59, 60, 61, 65, 70, 78, 84, 91, 105, 118, 122, 130, 140, 156, 169, 177, 182, 183, 195, 210, 236, 244, 260, 273, 295, 305, 338, 354, 364, 366, 390, 413, 420, 427, 455, 507, 546, 590, 610, 676, 708, 732, 767, 780, 793, 826, 845, 854, 885, 910, 915, 1014, 1092, 1180, 1183, 1220, 1239, 1281, 1365, 1534, 1586, 1652, 1690, 1708, 1770, 1820, 1830, 2028, 2065, 2135, 2301, 2366, 2379, 2478, 2535, 2562, 2730, 3068, 3172, 3380, 3540, 3549, 3599, 3660, 3835, 3965, 4130, 4270, 4602, 4732, 4758, 4956, 5070, 5124, 5369, 5460, 5551, 5915, 6195, 6405, 7098, 7198, 7670, 7930, 8260, 8540, 9204, 9516, 9971, 10140, 10309, 10738, 10797, 11102, 11505, 11830, 11895, 12390, 12810, 14196, 14396, 15340, 15860, 16107, 16653, 17745, 17995, 19942, 20618, 21476, 21594, 22204, 23010, 23660, 23790, 24780, 25193, 25620, 26845, 27755, 29913, 30927, 32214, 33306, 35490, 35990, 39884, 41236, 43188, 46020, 46787, 47580, 49855, 50386, 51545, 53690, 53985, 55510, 59826, 61854, 64428, 66612, 69797, 70980, 71980, 72163, 75579, 80535, 83265, 93574, 99710, 100772, 103090, 107380, 107970, 111020, 119652, 123708, 125965, 139594, 140361, 144326, 149565, 151158, 154635, 161070, 166530, 187148, 199420, 206180, 209391, 215940, 216489, 233935, 251930, 279188, 280722, 288652, 299130, 302316, 309270, 322140, 327509, 333060, 348985, 360815, 377895, 418782, 432978, 467870, 503860, 561444, 598260, 608231, 618540, 655018, 697970, 701805, 721630, 755790, 837564, 865956, 935740, 982527, 1046955, 1082445, 1216462, 1310036, 1395940, 1403610, 1443260, 1511580, 1637545, 1824693, 1965054, 2093910, 2164890, 2432924, 2807220, 3041155, 3275090, 3649386, 3930108, 4187820, 4257617, 4329780, 4912635, 6082310, 6550180, 7298772, 8515234, 9123465, 9825270, 12164620, 12772851, 17030468, 18246930, 19650540, 21288085, 25545702, 36493860, 42576170, 51091404, 63864255, 85152340, 127728510, 255457020]

約数ペア:

[(1, 255457020), (2, 127728510), (3, 85152340), (4, 63864255), (5, 51091404), (6, 42576170), (7, 36493860), (10, 25545702), (12, 21288085), (13, 19650540), (14, 18246930), (15, 17030468), (20, 12772851), (21, 12164620), (26, 9825270), (28, 9123465), (30, 8515234), (35, 7298772), (39, 6550180), (42, 6082310), (52, 4912635), (59, 4329780), (60, 4257617), (61, 4187820), (65, 3930108), (70, 3649386), (78, 3275090), (84, 3041155), (91, 2807220), (105, 2432924), (118, 2164890), (122, 2093910), (130, 1965054), (140, 1824693), (156, 1637545), (169, 1511580), (177, 1443260), (182, 1403610), (183, 1395940), (195, 1310036), (210, 1216462), (236, 1082445), (244, 1046955), (260, 982527), (273, 935740), (295, 865956), (305, 837564), (338, 755790), (354, 721630), (364, 701805), (366, 697970), (390, 655018), (413, 618540), (420, 608231), (427, 598260), (455, 561444), (507, 503860), (546, 467870), (590, 432978), (610, 418782), (676, 377895), (708, 360815), (732, 348985), (767, 333060), (780, 327509), (793, 322140), (826, 309270), (845, 302316), (854, 299130), (885, 288652), (910, 280722), (915, 279188), (1014, 251930), (1092, 233935), (1180, 216489), (1183, 215940), (1220, 209391), (1239, 206180), (1281, 199420), (1365, 187148), (1534, 166530), (1586, 161070), (1652, 154635), (1690, 151158), (1708, 149565), (1770, 144326), (1820, 140361), (1830, 139594), (2028, 125965), (2065, 123708), (2135, 119652), (2301, 111020), (2366, 107970), (2379, 107380), (2478, 103090), (2535, 100772), (2562, 99710), (2730, 93574), (3068, 83265), (3172, 80535), (3380, 75579), (3540, 72163), (3549, 71980), (3599, 70980), (3660, 69797), (3835, 66612), (3965, 64428), (4130, 61854), (4270, 59826), (4602, 55510), (4732, 53985), (4758, 53690), (4956, 51545), (5070, 50386), (5124, 49855), (5369, 47580), (5460, 46787), (5551, 46020), (5915, 43188), (6195, 41236), (6405, 39884), (7098, 35990), (7198, 35490), (7670, 33306), (7930, 32214), (8260, 30927), (8540, 29913), (9204, 27755), (9516, 26845), (9971, 25620), (10140, 25193), (10309, 24780), (10738, 23790), (10797, 23660), (11102, 23010), (11505, 22204), (11830, 21594), (11895, 21476), (12390, 20618), (12810, 19942), (14196, 17995), (14396, 17745), (15340, 16653), (15860, 16107)]