213418920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12437}}^1$

素因数の和:12475

約数の個数: 128

約数和(自身を含む): 752250240

約数和(自身を除く): 538831320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 12437, 17160, 24874, 37311, 49748, 62185, 74622, 99496, 124370, 136807, 149244, 161681, 186555, 248740, 273614, 298488, 323362, 373110, 410421, 485043, 497480, 547228, 646724, 684035, 746220, 808405, 820842, 970086, 1094456, 1293448, 1368070, 1492440, 1616810, 1641684, 1778491, 1940172, 2052105, 2425215, 2736140, 3233620, 3283368, 3556982, 3880344, 4104210, 4850430, 5335473, 5472280, 6467240, 7113964, 8208420, 8892455, 9700860, 10670946, 14227928, 16416840, 17784910, 19401720, 21341892, 26677365, 35569820, 42683784, 53354730, 71139640, 106709460, 213418920]

約数ペア:

[(1, 213418920), (2, 106709460), (3, 71139640), (4, 53354730), (5, 42683784), (6, 35569820), (8, 26677365), (10, 21341892), (11, 19401720), (12, 17784910), (13, 16416840), (15, 14227928), (20, 10670946), (22, 9700860), (24, 8892455), (26, 8208420), (30, 7113964), (33, 6467240), (39, 5472280), (40, 5335473), (44, 4850430), (52, 4104210), (55, 3880344), (60, 3556982), (65, 3283368), (66, 3233620), (78, 2736140), (88, 2425215), (104, 2052105), (110, 1940172), (120, 1778491), (130, 1641684), (132, 1616810), (143, 1492440), (156, 1368070), (165, 1293448), (195, 1094456), (220, 970086), (260, 820842), (264, 808405), (286, 746220), (312, 684035), (330, 646724), (390, 547228), (429, 497480), (440, 485043), (520, 410421), (572, 373110), (660, 323362), (715, 298488), (780, 273614), (858, 248740), (1144, 186555), (1320, 161681), (1430, 149244), (1560, 136807), (1716, 124370), (2145, 99496), (2860, 74622), (3432, 62185), (4290, 49748), (5720, 37311), (8580, 24874), (12437, 17160)]