80358320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:427

約数の個数: 160

約数和(自身を含む): 236556288

約数和(自身を除く): 156197968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 161, 170, 184, 230, 238, 272, 280, 322, 340, 367, 368, 391, 460, 476, 560, 595, 644, 680, 734, 782, 805, 920, 952, 1190, 1288, 1360, 1468, 1564, 1610, 1835, 1840, 1904, 1955, 2380, 2569, 2576, 2737, 2936, 3128, 3220, 3670, 3910, 4760, 5138, 5474, 5872, 6239, 6256, 6440, 7340, 7820, 8441, 9520, 10276, 10948, 12478, 12845, 12880, 13685, 14680, 15640, 16882, 20552, 21896, 24956, 25690, 27370, 29360, 31195, 31280, 33764, 41104, 42205, 43673, 43792, 49912, 51380, 54740, 59087, 62390, 67528, 84410, 87346, 99824, 102760, 109480, 118174, 124780, 135056, 143497, 168820, 174692, 205520, 218365, 218960, 236348, 249560, 286994, 295435, 337640, 349384, 436730, 472696, 499120, 573988, 590870, 675280, 698768, 717485, 873460, 945392, 1004479, 1147976, 1181740, 1434970, 1746920, 2008958, 2295952, 2363480, 2869940, 3493840, 4017916, 4726960, 5022395, 5739880, 8035832, 10044790, 11479760, 16071664, 20089580, 40179160, 80358320]

約数ペア:

[(1, 80358320), (2, 40179160), (4, 20089580), (5, 16071664), (7, 11479760), (8, 10044790), (10, 8035832), (14, 5739880), (16, 5022395), (17, 4726960), (20, 4017916), (23, 3493840), (28, 2869940), (34, 2363480), (35, 2295952), (40, 2008958), (46, 1746920), (56, 1434970), (68, 1181740), (70, 1147976), (80, 1004479), (85, 945392), (92, 873460), (112, 717485), (115, 698768), (119, 675280), (136, 590870), (140, 573988), (161, 499120), (170, 472696), (184, 436730), (230, 349384), (238, 337640), (272, 295435), (280, 286994), (322, 249560), (340, 236348), (367, 218960), (368, 218365), (391, 205520), (460, 174692), (476, 168820), (560, 143497), (595, 135056), (644, 124780), (680, 118174), (734, 109480), (782, 102760), (805, 99824), (920, 87346), (952, 84410), (1190, 67528), (1288, 62390), (1360, 59087), (1468, 54740), (1564, 51380), (1610, 49912), (1835, 43792), (1840, 43673), (1904, 42205), (1955, 41104), (2380, 33764), (2569, 31280), (2576, 31195), (2737, 29360), (2936, 27370), (3128, 25690), (3220, 24956), (3670, 21896), (3910, 20552), (4760, 16882), (5138, 15640), (5474, 14680), (5872, 13685), (6239, 12880), (6256, 12845), (6440, 12478), (7340, 10948), (7820, 10276), (8441, 9520)]