141640240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 399974400

約数和(自身を除く): 258334160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 41, 56, 62, 70, 80, 82, 112, 124, 140, 155, 164, 199, 205, 217, 248, 280, 287, 310, 328, 398, 410, 434, 496, 560, 574, 620, 656, 796, 820, 868, 995, 1085, 1148, 1240, 1271, 1393, 1435, 1592, 1640, 1736, 1990, 2170, 2296, 2480, 2542, 2786, 2870, 3184, 3280, 3472, 3980, 4340, 4592, 5084, 5572, 5740, 6169, 6355, 6965, 7960, 8159, 8680, 8897, 10168, 11144, 11480, 12338, 12710, 13930, 15920, 16318, 17360, 17794, 20336, 22288, 22960, 24676, 25420, 27860, 30845, 32636, 35588, 40795, 43183, 44485, 49352, 50840, 55720, 57113, 61690, 65272, 71176, 81590, 86366, 88970, 98704, 101680, 111440, 114226, 123380, 130544, 142352, 163180, 172732, 177940, 215915, 228452, 246760, 252929, 285565, 326360, 345464, 355880, 431830, 456904, 493520, 505858, 571130, 652720, 690928, 711760, 863660, 913808, 1011716, 1142260, 1264645, 1727320, 1770503, 2023432, 2284520, 2529290, 3454640, 3541006, 4046864, 4569040, 5058580, 7082012, 8852515, 10117160, 14164024, 17705030, 20234320, 28328048, 35410060, 70820120, 141640240]

約数ペア:

[(1, 141640240), (2, 70820120), (4, 35410060), (5, 28328048), (7, 20234320), (8, 17705030), (10, 14164024), (14, 10117160), (16, 8852515), (20, 7082012), (28, 5058580), (31, 4569040), (35, 4046864), (40, 3541006), (41, 3454640), (56, 2529290), (62, 2284520), (70, 2023432), (80, 1770503), (82, 1727320), (112, 1264645), (124, 1142260), (140, 1011716), (155, 913808), (164, 863660), (199, 711760), (205, 690928), (217, 652720), (248, 571130), (280, 505858), (287, 493520), (310, 456904), (328, 431830), (398, 355880), (410, 345464), (434, 326360), (496, 285565), (560, 252929), (574, 246760), (620, 228452), (656, 215915), (796, 177940), (820, 172732), (868, 163180), (995, 142352), (1085, 130544), (1148, 123380), (1240, 114226), (1271, 111440), (1393, 101680), (1435, 98704), (1592, 88970), (1640, 86366), (1736, 81590), (1990, 71176), (2170, 65272), (2296, 61690), (2480, 57113), (2542, 55720), (2786, 50840), (2870, 49352), (3184, 44485), (3280, 43183), (3472, 40795), (3980, 35588), (4340, 32636), (4592, 30845), (5084, 27860), (5572, 25420), (5740, 24676), (6169, 22960), (6355, 22288), (6965, 20336), (7960, 17794), (8159, 17360), (8680, 16318), (8897, 15920), (10168, 13930), (11144, 12710), (11480, 12338)]