1408245720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{2203}}^1$

素因数の和:2985

約数の個数: 128

約数和(自身を含む): 4836810240

約数和(自身を除く): 3428564520

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, 105, 120, 140, 168, 210, 280, 420, 761, 840, 1522, 2203, 2283, 3044, 3805, 4406, 4566, 5327, 6088, 6609, 7610, 8812, 9132, 10654, 11015, 11415, 13218, 15220, 15421, 15981, 17624, 18264, 21308, 22030, 22830, 26436, 26635, 30440, 30842, 31962, 33045, 42616, 44060, 45660, 46263, 52872, 53270, 61684, 63924, 66090, 77105, 79905, 88120, 91320, 92526, 106540, 123368, 127848, 132180, 154210, 159810, 185052, 213080, 231315, 264360, 308420, 319620, 370104, 462630, 616840, 639240, 925260, 1676483, 1850520, 3352966, 5029449, 6705932, 8382415, 10058898, 11735381, 13411864, 16764830, 20117796, 23470762, 25147245, 33529660, 35206143, 40235592, 46941524, 50294490, 58676905, 67059320, 70412286, 93883048, 100588980, 117353810, 140824572, 176030715, 201177960, 234707620, 281649144, 352061430, 469415240, 704122860, 1408245720]

約数ペア:

[(1, 1408245720), (2, 704122860), (3, 469415240), (4, 352061430), (5, 281649144), (6, 234707620), (7, 201177960), (8, 176030715), (10, 140824572), (12, 117353810), (14, 100588980), (15, 93883048), (20, 70412286), (21, 67059320), (24, 58676905), (28, 50294490), (30, 46941524), (35, 40235592), (40, 35206143), (42, 33529660), (56, 25147245), (60, 23470762), (70, 20117796), (84, 16764830), (105, 13411864), (120, 11735381), (140, 10058898), (168, 8382415), (210, 6705932), (280, 5029449), (420, 3352966), (761, 1850520), (840, 1676483), (1522, 925260), (2203, 639240), (2283, 616840), (3044, 462630), (3805, 370104), (4406, 319620), (4566, 308420), (5327, 264360), (6088, 231315), (6609, 213080), (7610, 185052), (8812, 159810), (9132, 154210), (10654, 132180), (11015, 127848), (11415, 123368), (13218, 106540), (15220, 92526), (15421, 91320), (15981, 88120), (17624, 79905), (18264, 77105), (21308, 66090), (22030, 63924), (22830, 61684), (26436, 53270), (26635, 52872), (30440, 46263), (30842, 45660), (31962, 44060), (33045, 42616)]