128931480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3851}}^1$

素因数の和:3902

約数の個数: 128

約数和(自身を含む): 443750400

約数和(自身を除く): 314818920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 3851, 4185, 5580, 6696, 7702, 8370, 11160, 11553, 15404, 16740, 19255, 23106, 30808, 33480, 34659, 38510, 46212, 57765, 69318, 77020, 92424, 103977, 115530, 119381, 138636, 154040, 173295, 207954, 231060, 238762, 277272, 346590, 358143, 415908, 462120, 477524, 519885, 596905, 693180, 716286, 831816, 955048, 1039770, 1074429, 1193810, 1386360, 1432572, 1790715, 2079540, 2148858, 2387620, 2865144, 3223287, 3581430, 4159080, 4297716, 4775240, 5372145, 6446574, 7162860, 8595432, 10744290, 12893148, 14325720, 16116435, 21488580, 25786296, 32232870, 42977160, 64465740, 128931480]

約数ペア:

[(1, 128931480), (2, 64465740), (3, 42977160), (4, 32232870), (5, 25786296), (6, 21488580), (8, 16116435), (9, 14325720), (10, 12893148), (12, 10744290), (15, 8595432), (18, 7162860), (20, 6446574), (24, 5372145), (27, 4775240), (30, 4297716), (31, 4159080), (36, 3581430), (40, 3223287), (45, 2865144), (54, 2387620), (60, 2148858), (62, 2079540), (72, 1790715), (90, 1432572), (93, 1386360), (108, 1193810), (120, 1074429), (124, 1039770), (135, 955048), (155, 831816), (180, 716286), (186, 693180), (216, 596905), (248, 519885), (270, 477524), (279, 462120), (310, 415908), (360, 358143), (372, 346590), (465, 277272), (540, 238762), (558, 231060), (620, 207954), (744, 173295), (837, 154040), (930, 138636), (1080, 119381), (1116, 115530), (1240, 103977), (1395, 92424), (1674, 77020), (1860, 69318), (2232, 57765), (2790, 46212), (3348, 38510), (3720, 34659), (3851, 33480), (4185, 30808), (5580, 23106), (6696, 19255), (7702, 16740), (8370, 15404), (11160, 11553)]