289787680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1531}}^1$

素因数の和:1579

約数の個数: 144

約数和(自身を含む): 847796544

約数和(自身を除く): 558008864

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 416, 455, 520, 560, 676, 728, 845, 910, 1040, 1120, 1183, 1352, 1456, 1531, 1690, 1820, 2080, 2366, 2704, 2912, 3062, 3380, 3640, 4732, 5408, 5915, 6124, 6760, 7280, 7655, 9464, 10717, 11830, 12248, 13520, 14560, 15310, 18928, 19903, 21434, 23660, 24496, 27040, 30620, 37856, 39806, 42868, 47320, 48992, 53585, 61240, 79612, 85736, 94640, 99515, 107170, 122480, 139321, 159224, 171472, 189280, 199030, 214340, 244960, 258739, 278642, 318448, 342944, 398060, 428680, 517478, 557284, 636896, 696605, 796120, 857360, 1034956, 1114568, 1293695, 1393210, 1592240, 1714720, 1811173, 2069912, 2229136, 2587390, 2786420, 3184480, 3622346, 4139824, 4458272, 5174780, 5572840, 7244692, 8279648, 9055865, 10349560, 11145680, 14489384, 18111730, 20699120, 22291360, 28978768, 36223460, 41398240, 57957536, 72446920, 144893840, 289787680]

約数ペア:

[(1, 289787680), (2, 144893840), (4, 72446920), (5, 57957536), (7, 41398240), (8, 36223460), (10, 28978768), (13, 22291360), (14, 20699120), (16, 18111730), (20, 14489384), (26, 11145680), (28, 10349560), (32, 9055865), (35, 8279648), (40, 7244692), (52, 5572840), (56, 5174780), (65, 4458272), (70, 4139824), (80, 3622346), (91, 3184480), (104, 2786420), (112, 2587390), (130, 2229136), (140, 2069912), (160, 1811173), (169, 1714720), (182, 1592240), (208, 1393210), (224, 1293695), (260, 1114568), (280, 1034956), (338, 857360), (364, 796120), (416, 696605), (455, 636896), (520, 557284), (560, 517478), (676, 428680), (728, 398060), (845, 342944), (910, 318448), (1040, 278642), (1120, 258739), (1183, 244960), (1352, 214340), (1456, 199030), (1531, 189280), (1690, 171472), (1820, 159224), (2080, 139321), (2366, 122480), (2704, 107170), (2912, 99515), (3062, 94640), (3380, 85736), (3640, 79612), (4732, 61240), (5408, 53585), (5915, 48992), (6124, 47320), (6760, 42868), (7280, 39806), (7655, 37856), (9464, 30620), (10717, 27040), (11830, 24496), (12248, 23660), (13520, 21434), (14560, 19903), (15310, 18928)]