83281380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2218

約数の個数: 144

約数和(自身を含む): 292259520

約数和(自身を除く): 208978140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2179, 2548, 2730, 2940, 3185, 3822, 4358, 5460, 6370, 6537, 7644, 8716, 9555, 10895, 12740, 13074, 15253, 19110, 21790, 26148, 28327, 30506, 32685, 38220, 43580, 45759, 56654, 61012, 65370, 76265, 84981, 91518, 106771, 113308, 130740, 141635, 152530, 169962, 183036, 198289, 213542, 228795, 283270, 305060, 320313, 339924, 396578, 424905, 427084, 457590, 533855, 566540, 594867, 640626, 793156, 849810, 915180, 991445, 1067710, 1189734, 1281252, 1388023, 1601565, 1699620, 1982890, 2135420, 2379468, 2776046, 2974335, 3203130, 3965780, 4164069, 5552092, 5948670, 6406260, 6940115, 8328138, 11897340, 13880230, 16656276, 20820345, 27760460, 41640690, 83281380]

約数ペア:

[(1, 83281380), (2, 41640690), (3, 27760460), (4, 20820345), (5, 16656276), (6, 13880230), (7, 11897340), (10, 8328138), (12, 6940115), (13, 6406260), (14, 5948670), (15, 5552092), (20, 4164069), (21, 3965780), (26, 3203130), (28, 2974335), (30, 2776046), (35, 2379468), (39, 2135420), (42, 1982890), (49, 1699620), (52, 1601565), (60, 1388023), (65, 1281252), (70, 1189734), (78, 1067710), (84, 991445), (91, 915180), (98, 849810), (105, 793156), (130, 640626), (140, 594867), (147, 566540), (156, 533855), (182, 457590), (195, 427084), (196, 424905), (210, 396578), (245, 339924), (260, 320313), (273, 305060), (294, 283270), (364, 228795), (390, 213542), (420, 198289), (455, 183036), (490, 169962), (546, 152530), (588, 141635), (637, 130740), (735, 113308), (780, 106771), (910, 91518), (980, 84981), (1092, 76265), (1274, 65370), (1365, 61012), (1470, 56654), (1820, 45759), (1911, 43580), (2179, 38220), (2548, 32685), (2730, 30506), (2940, 28327), (3185, 26148), (3822, 21790), (4358, 19110), (5460, 15253), (6370, 13074), (6537, 12740), (7644, 10895), (8716, 9555)]