20388208680

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{898951}}^1$

素因数の和:898981

約数の個数: 160

約数和(自身を含む): 78316698240

約数和(自身を除く): 57928489560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680, 898951, 1797902, 2696853, 3595804, 4494755, 5393706, 6292657, 7191608, 8090559, 8989510, 10787412, 12585314, 13484265, 16181118, 17979020, 18877971, 21574824, 24271677, 25170628, 26968530, 31463285, 32362236, 35958040, 37755942, 40452795, 48543354, 50341256, 53937060, 56633913, 62926570, 64724472, 72815031, 75511884, 80905590, 94389855, 97086708, 107874120, 113267826, 121358385, 125853140, 145630062, 151023768, 161811180, 169901739, 188779710, 194173416, 226535652, 242716770, 251706280, 283169565, 291260124, 323622360, 339803478, 364075155, 377559420, 453071304, 485433540, 509705217, 566339130, 582520248, 679606956, 728150310, 755118840, 849508695, 970867080, 1019410434, 1132678260, 1359213912, 1456300620, 1699017390, 2038820868, 2265356520, 2548526085, 2912601240, 3398034780, 4077641736, 5097052170, 6796069560, 10194104340, 20388208680]

約数ペア:

[(1, 20388208680), (2, 10194104340), (3, 6796069560), (4, 5097052170), (5, 4077641736), (6, 3398034780), (7, 2912601240), (8, 2548526085), (9, 2265356520), (10, 2038820868), (12, 1699017390), (14, 1456300620), (15, 1359213912), (18, 1132678260), (20, 1019410434), (21, 970867080), (24, 849508695), (27, 755118840), (28, 728150310), (30, 679606956), (35, 582520248), (36, 566339130), (40, 509705217), (42, 485433540), (45, 453071304), (54, 377559420), (56, 364075155), (60, 339803478), (63, 323622360), (70, 291260124), (72, 283169565), (81, 251706280), (84, 242716770), (90, 226535652), (105, 194173416), (108, 188779710), (120, 169901739), (126, 161811180), (135, 151023768), (140, 145630062), (162, 125853140), (168, 121358385), (180, 113267826), (189, 107874120), (210, 97086708), (216, 94389855), (252, 80905590), (270, 75511884), (280, 72815031), (315, 64724472), (324, 62926570), (360, 56633913), (378, 53937060), (405, 50341256), (420, 48543354), (504, 40452795), (540, 37755942), (567, 35958040), (630, 32362236), (648, 31463285), (756, 26968530), (810, 25170628), (840, 24271677), (945, 21574824), (1080, 18877971), (1134, 17979020), (1260, 16181118), (1512, 13484265), (1620, 12585314), (1890, 10787412), (2268, 8989510), (2520, 8090559), (2835, 7191608), (3240, 6292657), (3780, 5393706), (4536, 4494755), (5670, 3595804), (7560, 2696853), (11340, 1797902), (22680, 898951)]