20254345440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{128257}}^1$

素因数の和:128329

約数の個数: 192

約数和(自身を含む): 74467620864

約数和(自身を除く): 54213275424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 96, 105, 112, 120, 140, 141, 160, 168, 188, 210, 224, 235, 240, 280, 282, 329, 336, 376, 420, 470, 480, 560, 564, 658, 672, 705, 752, 840, 940, 987, 1120, 1128, 1316, 1410, 1504, 1645, 1680, 1880, 1974, 2256, 2632, 2820, 3290, 3360, 3760, 3948, 4512, 4935, 5264, 5640, 6580, 7520, 7896, 9870, 10528, 11280, 13160, 15792, 19740, 22560, 26320, 31584, 39480, 52640, 78960, 128257, 157920, 256514, 384771, 513028, 641285, 769542, 897799, 1026056, 1282570, 1539084, 1795598, 1923855, 2052112, 2565140, 2693397, 3078168, 3591196, 3847710, 4104224, 4488995, 5130280, 5386794, 6028079, 6156336, 7182392, 7695420, 8977990, 10260560, 10773588, 12056158, 12312672, 13466985, 14364784, 15390840, 17955980, 18084237, 20521120, 21547176, 24112316, 26933970, 28729568, 30140395, 30781680, 35911960, 36168474, 42196553, 43094352, 48224632, 53867940, 60280790, 61563360, 71823920, 72336948, 84393106, 86188704, 90421185, 96449264, 107735880, 120561580, 126589659, 143647840, 144673896, 168786212, 180842370, 192898528, 210982765, 215471760, 241123160, 253179318, 289347792, 337572424, 361684740, 421965530, 430943520, 482246320, 506358636, 578695584, 632948295, 675144848, 723369480, 843931060, 964492640, 1012717272, 1265896590, 1350289696, 1446738960, 1687862120, 2025434544, 2531793180, 2893477920, 3375724240, 4050869088, 5063586360, 6751448480, 10127172720, 20254345440]

約数ペア:

[(1, 20254345440), (2, 10127172720), (3, 6751448480), (4, 5063586360), (5, 4050869088), (6, 3375724240), (7, 2893477920), (8, 2531793180), (10, 2025434544), (12, 1687862120), (14, 1446738960), (15, 1350289696), (16, 1265896590), (20, 1012717272), (21, 964492640), (24, 843931060), (28, 723369480), (30, 675144848), (32, 632948295), (35, 578695584), (40, 506358636), (42, 482246320), (47, 430943520), (48, 421965530), (56, 361684740), (60, 337572424), (70, 289347792), (80, 253179318), (84, 241123160), (94, 215471760), (96, 210982765), (105, 192898528), (112, 180842370), (120, 168786212), (140, 144673896), (141, 143647840), (160, 126589659), (168, 120561580), (188, 107735880), (210, 96449264), (224, 90421185), (235, 86188704), (240, 84393106), (280, 72336948), (282, 71823920), (329, 61563360), (336, 60280790), (376, 53867940), (420, 48224632), (470, 43094352), (480, 42196553), (560, 36168474), (564, 35911960), (658, 30781680), (672, 30140395), (705, 28729568), (752, 26933970), (840, 24112316), (940, 21547176), (987, 20521120), (1120, 18084237), (1128, 17955980), (1316, 15390840), (1410, 14364784), (1504, 13466985), (1645, 12312672), (1680, 12056158), (1880, 10773588), (1974, 10260560), (2256, 8977990), (2632, 7695420), (2820, 7182392), (3290, 6156336), (3360, 6028079), (3760, 5386794), (3948, 5130280), (4512, 4488995), (4935, 4104224), (5264, 3847710), (5640, 3591196), (6580, 3078168), (7520, 2693397), (7896, 2565140), (9870, 2052112), (10528, 1923855), (11280, 1795598), (13160, 1539084), (15792, 1282570), (19740, 1026056), (22560, 897799), (26320, 769542), (31584, 641285), (39480, 513028), (52640, 384771), (78960, 256514), (128257, 157920)]