1989205920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106261}}^1$

素因数の和:106295

約数の個数: 144

約数和(自身を含む): 7310400552

約数和(自身を除く): 5321194632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 106261, 212522, 318783, 425044, 531305, 637566, 850088, 956349, 1062610, 1275132, 1381393, 1593915, 1700176, 1912698, 2125220, 2550264, 2762786, 3187830, 3400352, 3825396, 4144179, 4250440, 4781745, 5100528, 5525572, 6375660, 6906965, 7650792, 8288358, 8500880, 9563490, 10201056, 11051144, 12432537, 12751320, 13813930, 15301584, 16576716, 17001760, 19126980, 20720895, 22102288, 24865074, 25502640, 27627860, 30603168, 33153432, 38253960, 41441790, 44204576, 49730148, 51005280, 55255720, 62162685, 66306864, 76507920, 82883580, 99460296, 110511440, 124325370, 132613728, 153015840, 165767160, 198920592, 221022880, 248650740, 331534320, 397841184, 497301480, 663068640, 994602960, 1989205920]

約数ペア:

[(1, 1989205920), (2, 994602960), (3, 663068640), (4, 497301480), (5, 397841184), (6, 331534320), (8, 248650740), (9, 221022880), (10, 198920592), (12, 165767160), (13, 153015840), (15, 132613728), (16, 124325370), (18, 110511440), (20, 99460296), (24, 82883580), (26, 76507920), (30, 66306864), (32, 62162685), (36, 55255720), (39, 51005280), (40, 49730148), (45, 44204576), (48, 41441790), (52, 38253960), (60, 33153432), (65, 30603168), (72, 27627860), (78, 25502640), (80, 24865074), (90, 22102288), (96, 20720895), (104, 19126980), (117, 17001760), (120, 16576716), (130, 15301584), (144, 13813930), (156, 12751320), (160, 12432537), (180, 11051144), (195, 10201056), (208, 9563490), (234, 8500880), (240, 8288358), (260, 7650792), (288, 6906965), (312, 6375660), (360, 5525572), (390, 5100528), (416, 4781745), (468, 4250440), (480, 4144179), (520, 3825396), (585, 3400352), (624, 3187830), (720, 2762786), (780, 2550264), (936, 2125220), (1040, 1912698), (1170, 1700176), (1248, 1593915), (1440, 1381393), (1560, 1275132), (1872, 1062610), (2080, 956349), (2340, 850088), (3120, 637566), (3744, 531305), (4680, 425044), (6240, 318783), (9360, 212522), (18720, 106261)]