31322760

素因数分解:

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

素因数の和:796

約数の個数: 128

約数和(自身を含む): 109728000

約数和(自身を除く): 78405240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 761, 840, 980, 1029, 1176, 1372, 1470, 1522, 1715, 1960, 2058, 2283, 2744, 2940, 3044, 3430, 3805, 4116, 4566, 5145, 5327, 5880, 6088, 6860, 7610, 8232, 9132, 10290, 10654, 11415, 13720, 15220, 15981, 18264, 20580, 21308, 22830, 26635, 30440, 31962, 37289, 41160, 42616, 45660, 53270, 63924, 74578, 79905, 91320, 106540, 111867, 127848, 149156, 159810, 186445, 213080, 223734, 261023, 298312, 319620, 372890, 447468, 522046, 559335, 639240, 745780, 783069, 894936, 1044092, 1118670, 1305115, 1491560, 1566138, 2088184, 2237340, 2610230, 3132276, 3915345, 4474680, 5220460, 6264552, 7830690, 10440920, 15661380, 31322760]

約数ペア:

[(1, 31322760), (2, 15661380), (3, 10440920), (4, 7830690), (5, 6264552), (6, 5220460), (7, 4474680), (8, 3915345), (10, 3132276), (12, 2610230), (14, 2237340), (15, 2088184), (20, 1566138), (21, 1491560), (24, 1305115), (28, 1118670), (30, 1044092), (35, 894936), (40, 783069), (42, 745780), (49, 639240), (56, 559335), (60, 522046), (70, 447468), (84, 372890), (98, 319620), (105, 298312), (120, 261023), (140, 223734), (147, 213080), (168, 186445), (196, 159810), (210, 149156), (245, 127848), (280, 111867), (294, 106540), (343, 91320), (392, 79905), (420, 74578), (490, 63924), (588, 53270), (686, 45660), (735, 42616), (761, 41160), (840, 37289), (980, 31962), (1029, 30440), (1176, 26635), (1372, 22830), (1470, 21308), (1522, 20580), (1715, 18264), (1960, 15981), (2058, 15220), (2283, 13720), (2744, 11415), (2940, 10654), (3044, 10290), (3430, 9132), (3805, 8232), (4116, 7610), (4566, 6860), (5145, 6088), (5327, 5880)]