312978120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28661}}^1$

素因数の和:28695

約数の個数: 128

約数和(自身を含む): 1155651840

約数和(自身を除く): 842673720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 28661, 57322, 85983, 114644, 143305, 171966, 200627, 229288, 286610, 343932, 372593, 401254, 429915, 573220, 601881, 687864, 745186, 802508, 859830, 1003135, 1117779, 1146440, 1203762, 1490372, 1605016, 1719660, 1862965, 2006270, 2235558, 2407524, 2608151, 2980744, 3009405, 3439320, 3725930, 4012540, 4471116, 4815048, 5216302, 5588895, 6018810, 7451860, 7824453, 8025080, 8942232, 10432604, 11177790, 12037620, 13040755, 14903720, 15648906, 20865208, 22355580, 24075240, 26081510, 31297812, 39122265, 44711160, 52163020, 62595624, 78244530, 104326040, 156489060, 312978120]

約数ペア:

[(1, 312978120), (2, 156489060), (3, 104326040), (4, 78244530), (5, 62595624), (6, 52163020), (7, 44711160), (8, 39122265), (10, 31297812), (12, 26081510), (13, 24075240), (14, 22355580), (15, 20865208), (20, 15648906), (21, 14903720), (24, 13040755), (26, 12037620), (28, 11177790), (30, 10432604), (35, 8942232), (39, 8025080), (40, 7824453), (42, 7451860), (52, 6018810), (56, 5588895), (60, 5216302), (65, 4815048), (70, 4471116), (78, 4012540), (84, 3725930), (91, 3439320), (104, 3009405), (105, 2980744), (120, 2608151), (130, 2407524), (140, 2235558), (156, 2006270), (168, 1862965), (182, 1719660), (195, 1605016), (210, 1490372), (260, 1203762), (273, 1146440), (280, 1117779), (312, 1003135), (364, 859830), (390, 802508), (420, 745186), (455, 687864), (520, 601881), (546, 573220), (728, 429915), (780, 401254), (840, 372593), (910, 343932), (1092, 286610), (1365, 229288), (1560, 200627), (1820, 171966), (2184, 143305), (2730, 114644), (3640, 85983), (5460, 57322), (10920, 28661)]