291942840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3583}}^1$

素因数の和:3701

約数の個数: 128

約数和(自身を含む): 1011548160

約数和(自身を除く): 719605320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2716, 2910, 3395, 3583, 3880, 4074, 5432, 5820, 6790, 7166, 8148, 10185, 10749, 11640, 13580, 14332, 16296, 17915, 20370, 21498, 25081, 27160, 28664, 35830, 40740, 42996, 50162, 53745, 71660, 75243, 81480, 85992, 100324, 107490, 125405, 143320, 150486, 200648, 214980, 250810, 300972, 347551, 376215, 429960, 501620, 601944, 695102, 752430, 1003240, 1042653, 1390204, 1504860, 1737755, 2085306, 2432857, 2780408, 3009720, 3475510, 4170612, 4865714, 5213265, 6951020, 7298571, 8341224, 9731428, 10426530, 12164285, 13902040, 14597142, 19462856, 20853060, 24328570, 29194284, 36492855, 41706120, 48657140, 58388568, 72985710, 97314280, 145971420, 291942840]

約数ペア:

[(1, 291942840), (2, 145971420), (3, 97314280), (4, 72985710), (5, 58388568), (6, 48657140), (7, 41706120), (8, 36492855), (10, 29194284), (12, 24328570), (14, 20853060), (15, 19462856), (20, 14597142), (21, 13902040), (24, 12164285), (28, 10426530), (30, 9731428), (35, 8341224), (40, 7298571), (42, 6951020), (56, 5213265), (60, 4865714), (70, 4170612), (84, 3475510), (97, 3009720), (105, 2780408), (120, 2432857), (140, 2085306), (168, 1737755), (194, 1504860), (210, 1390204), (280, 1042653), (291, 1003240), (388, 752430), (420, 695102), (485, 601944), (582, 501620), (679, 429960), (776, 376215), (840, 347551), (970, 300972), (1164, 250810), (1358, 214980), (1455, 200648), (1940, 150486), (2037, 143320), (2328, 125405), (2716, 107490), (2910, 100324), (3395, 85992), (3583, 81480), (3880, 75243), (4074, 71660), (5432, 53745), (5820, 50162), (6790, 42996), (7166, 40740), (8148, 35830), (10185, 28664), (10749, 27160), (11640, 25081), (13580, 21498), (14332, 20370), (16296, 17915)]