491221004040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:796

約数の個数: 960

約数和(自身を含む): 1891217687040

約数和(自身を除く): 1399996683000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 43, 45, 52, 54, 60, 62, 65, 72, 78, 81, 86, 90, 93, 104, 108, 117, 120, 124, 129, 130, 135, 155, 156, 162, 169, 172, 180, 186, 195, 215, 216, 234, 248, 258, 260, 270, 279, 310, 312, 324, 338, 344, 351, 360, 372, 387, 390, 403, 405, 430, 465, 468, 507, 516, 520, 540, 558, 559, 585, 620, 645, 648, 673, 676, 702, 744, 774, 780, 806, 810, 837, 845, 860, 930, 936, 1014, 1032, 1053, 1080, 1116, 1118, 1161, 1170, 1209, 1240, 1290, 1333, 1346, 1352, 1395, 1404, 1521, 1548, 1560, 1612, 1620, 1674, 1677, 1690, 1720, 1755, 1860, 1935, 2015, 2019, 2028, 2106, 2232, 2236, 2322, 2340, 2418, 2511, 2535, 2580, 2666, 2692, 2790, 2795, 2808, 3042, 3096, 3224, 3240, 3348, 3354, 3365, 3380, 3483, 3510, 3627, 3720, 3870, 3999, 4030, 4038, 4056, 4185, 4212, 4472, 4563, 4644, 4680, 4836, 5022, 5031, 5070, 5160, 5239, 5265, 5332, 5384, 5580, 5590, 5805, 6045, 6057, 6084, 6665, 6696, 6708, 6730, 6760, 6966, 7020, 7254, 7267, 7605, 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163740334680, 245610502020, 491221004040]

約数ペア:

[(1, 491221004040), (2, 245610502020), (3, 163740334680), (4, 122805251010), (5, 98244200808), (6, 81870167340), (8, 61402625505), (9, 54580111560), (10, 49122100404), (12, 40935083670), (13, 37786231080), (15, 32748066936), (18, 27290055780), (20, 24561050202), (24, 20467541835), (26, 18893115540), (27, 18193370520), (30, 16374033468), (31, 15845838840), (36, 13645027890), (39, 12595410360), (40, 12280525101), (43, 11423744280), (45, 10916022312), (52, 9446557770), (54, 9096685260), (60, 8187016734), (62, 7922919420), (65, 7557246216), (72, 6822513945), (78, 6297705180), (81, 6064456840), (86, 5711872140), (90, 5458011156), (93, 5281946280), (104, 4723278885), (108, 4548342630), (117, 4198470120), (120, 4093508367), (124, 3961459710), (129, 3807914760), (130, 3778623108), (135, 3638674104), (155, 3169167768), (156, 3148852590), (162, 3032228420), (169, 2906633160), (172, 2855936070), (180, 2729005578), (186, 2640973140), (195, 2519082072), (215, 2284748856), (216, 2274171315), (234, 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(694536, 707265)]