20712457440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{173297}}^1$

素因数の和:173401

約数の個数: 144

約数和(自身を含む): 71533255248

約数和(自身を除く): 50820797808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 360, 415, 480, 498, 664, 720, 747, 830, 996, 1245, 1328, 1440, 1494, 1660, 1992, 2490, 2656, 2988, 3320, 3735, 3984, 4980, 5976, 6640, 7470, 7968, 9960, 11952, 13280, 14940, 19920, 23904, 29880, 39840, 59760, 119520, 173297, 346594, 519891, 693188, 866485, 1039782, 1386376, 1559673, 1732970, 2079564, 2599455, 2772752, 3119346, 3465940, 4159128, 5198910, 5545504, 6238692, 6931880, 7798365, 8318256, 10397820, 12477384, 13863760, 14383651, 15596730, 16636512, 20795640, 24954768, 27727520, 28767302, 31193460, 41591280, 43150953, 49909536, 57534604, 62386920, 71918255, 83182560, 86301906, 115069208, 124773840, 129452859, 143836510, 172603812, 215754765, 230138416, 249547680, 258905718, 287673020, 345207624, 431509530, 460276832, 517811436, 575346040, 647264295, 690415248, 863019060, 1035622872, 1150692080, 1294528590, 1380830496, 1726038120, 2071245744, 2301384160, 2589057180, 3452076240, 4142491488, 5178114360, 6904152480, 10356228720, 20712457440]

約数ペア:

[(1, 20712457440), (2, 10356228720), (3, 6904152480), (4, 5178114360), (5, 4142491488), (6, 3452076240), (8, 2589057180), (9, 2301384160), (10, 2071245744), (12, 1726038120), (15, 1380830496), (16, 1294528590), (18, 1150692080), (20, 1035622872), (24, 863019060), (30, 690415248), (32, 647264295), (36, 575346040), (40, 517811436), (45, 460276832), (48, 431509530), (60, 345207624), (72, 287673020), (80, 258905718), (83, 249547680), (90, 230138416), (96, 215754765), (120, 172603812), (144, 143836510), (160, 129452859), (166, 124773840), (180, 115069208), (240, 86301906), (249, 83182560), (288, 71918255), (332, 62386920), (360, 57534604), (415, 49909536), (480, 43150953), (498, 41591280), (664, 31193460), (720, 28767302), (747, 27727520), (830, 24954768), (996, 20795640), (1245, 16636512), (1328, 15596730), (1440, 14383651), (1494, 13863760), (1660, 12477384), (1992, 10397820), (2490, 8318256), (2656, 7798365), (2988, 6931880), (3320, 6238692), (3735, 5545504), (3984, 5198910), (4980, 4159128), (5976, 3465940), (6640, 3119346), (7470, 2772752), (7968, 2599455), (9960, 2079564), (11952, 1732970), (13280, 1559673), (14940, 1386376), (19920, 1039782), (23904, 866485), (29880, 693188), (39840, 519891), (59760, 346594), (119520, 173297)]