1291723440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17881}}^1$

素因数の和:17947

約数の個数: 160

約数和(自身を含む): 4683081216

約数和(自身を除く): 3391357776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 3010, 3440, 3612, 4515, 4816, 5160, 6020, 7224, 9030, 10320, 12040, 14448, 17881, 18060, 24080, 35762, 36120, 53643, 71524, 72240, 89405, 107286, 125167, 143048, 178810, 214572, 250334, 268215, 286096, 357620, 375501, 429144, 500668, 536430, 625835, 715240, 751002, 768883, 858288, 1001336, 1072860, 1251670, 1430480, 1502004, 1537766, 1877505, 2002672, 2145720, 2306649, 2503340, 3004008, 3075532, 3755010, 3844415, 4291440, 4613298, 5006680, 5382181, 6008016, 6151064, 7510020, 7688830, 9226596, 10013360, 10764362, 11533245, 12302128, 15020040, 15377660, 16146543, 18453192, 21528724, 23066490, 26910905, 30040080, 30755320, 32293086, 36906384, 43057448, 46132980, 53821810, 61510640, 64586172, 80732715, 86114896, 92265960, 107643620, 129172344, 161465430, 184531920, 215287240, 258344688, 322930860, 430574480, 645861720, 1291723440]

約数ペア:

[(1, 1291723440), (2, 645861720), (3, 430574480), (4, 322930860), (5, 258344688), (6, 215287240), (7, 184531920), (8, 161465430), (10, 129172344), (12, 107643620), (14, 92265960), (15, 86114896), (16, 80732715), (20, 64586172), (21, 61510640), (24, 53821810), (28, 46132980), (30, 43057448), (35, 36906384), (40, 32293086), (42, 30755320), (43, 30040080), (48, 26910905), (56, 23066490), (60, 21528724), (70, 18453192), (80, 16146543), (84, 15377660), (86, 15020040), (105, 12302128), (112, 11533245), (120, 10764362), (129, 10013360), (140, 9226596), (168, 7688830), (172, 7510020), (210, 6151064), (215, 6008016), (240, 5382181), (258, 5006680), (280, 4613298), (301, 4291440), (336, 3844415), (344, 3755010), (420, 3075532), (430, 3004008), (516, 2503340), (560, 2306649), (602, 2145720), (645, 2002672), (688, 1877505), (840, 1537766), (860, 1502004), (903, 1430480), (1032, 1251670), (1204, 1072860), (1290, 1001336), (1505, 858288), (1680, 768883), (1720, 751002), (1806, 715240), (2064, 625835), (2408, 536430), (2580, 500668), (3010, 429144), (3440, 375501), (3612, 357620), (4515, 286096), (4816, 268215), (5160, 250334), (6020, 214572), (7224, 178810), (9030, 143048), (10320, 125167), (12040, 107286), (14448, 89405), (17881, 72240), (18060, 71524), (24080, 53643), (35762, 36120)]