40408440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 131328000

約数和(自身を除く): 90919560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 479, 555, 570, 703, 740, 760, 888, 958, 1110, 1140, 1406, 1437, 1480, 1916, 2109, 2220, 2280, 2395, 2812, 2874, 3515, 3832, 4218, 4440, 4790, 5624, 5748, 7030, 7185, 8436, 9101, 9580, 10545, 11496, 14060, 14370, 16872, 17723, 18202, 19160, 21090, 27303, 28120, 28740, 35446, 36404, 42180, 45505, 53169, 54606, 57480, 70892, 72808, 84360, 88615, 91010, 106338, 109212, 136515, 141784, 177230, 182020, 212676, 218424, 265845, 273030, 336737, 354460, 364040, 425352, 531690, 546060, 673474, 708920, 1010211, 1063380, 1092120, 1346948, 1683685, 2020422, 2126760, 2693896, 3367370, 4040844, 5051055, 6734740, 8081688, 10102110, 13469480, 20204220, 40408440]

約数ペア:

[(1, 40408440), (2, 20204220), (3, 13469480), (4, 10102110), (5, 8081688), (6, 6734740), (8, 5051055), (10, 4040844), (12, 3367370), (15, 2693896), (19, 2126760), (20, 2020422), (24, 1683685), (30, 1346948), (37, 1092120), (38, 1063380), (40, 1010211), (57, 708920), (60, 673474), (74, 546060), (76, 531690), (95, 425352), (111, 364040), (114, 354460), (120, 336737), (148, 273030), (152, 265845), (185, 218424), (190, 212676), (222, 182020), (228, 177230), (285, 141784), (296, 136515), (370, 109212), (380, 106338), (444, 91010), (456, 88615), (479, 84360), (555, 72808), (570, 70892), (703, 57480), (740, 54606), (760, 53169), (888, 45505), (958, 42180), (1110, 36404), (1140, 35446), (1406, 28740), (1437, 28120), (1480, 27303), (1916, 21090), (2109, 19160), (2220, 18202), (2280, 17723), (2395, 16872), (2812, 14370), (2874, 14060), (3515, 11496), (3832, 10545), (4218, 9580), (4440, 9101), (4790, 8436), (5624, 7185), (5748, 7030)]