15661380

素因数分解:

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

素因数の和:794

約数の個数: 96

約数和(自身を含む): 51206400

約数和(自身を除く): 35545020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 761, 980, 1029, 1372, 1470, 1522, 1715, 2058, 2283, 2940, 3044, 3430, 3805, 4116, 4566, 5145, 5327, 6860, 7610, 9132, 10290, 10654, 11415, 15220, 15981, 20580, 21308, 22830, 26635, 31962, 37289, 45660, 53270, 63924, 74578, 79905, 106540, 111867, 149156, 159810, 186445, 223734, 261023, 319620, 372890, 447468, 522046, 559335, 745780, 783069, 1044092, 1118670, 1305115, 1566138, 2237340, 2610230, 3132276, 3915345, 5220460, 7830690, 15661380]

約数ペア:

[(1, 15661380), (2, 7830690), (3, 5220460), (4, 3915345), (5, 3132276), (6, 2610230), (7, 2237340), (10, 1566138), (12, 1305115), (14, 1118670), (15, 1044092), (20, 783069), (21, 745780), (28, 559335), (30, 522046), (35, 447468), (42, 372890), (49, 319620), (60, 261023), (70, 223734), (84, 186445), (98, 159810), (105, 149156), (140, 111867), (147, 106540), (196, 79905), (210, 74578), (245, 63924), (294, 53270), (343, 45660), (420, 37289), (490, 31962), (588, 26635), (686, 22830), (735, 21308), (761, 20580), (980, 15981), (1029, 15220), (1372, 11415), (1470, 10654), (1522, 10290), (1715, 9132), (2058, 7610), (2283, 6860), (2940, 5327), (3044, 5145), (3430, 4566), (3805, 4116)]