20138400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2797}}^1$

素因数の和:2823

約数の個数: 108

約数和(自身を含む): 71038422

約数和(自身を除く): 50900022

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2797, 3600, 5594, 7200, 8391, 11188, 13985, 16782, 22376, 25173, 27970, 33564, 41955, 44752, 50346, 55940, 67128, 69925, 83910, 89504, 100692, 111880, 125865, 134256, 139850, 167820, 201384, 209775, 223760, 251730, 268512, 279700, 335640, 402768, 419550, 447520, 503460, 559400, 629325, 671280, 805536, 839100, 1006920, 1118800, 1258650, 1342560, 1678200, 2013840, 2237600, 2517300, 3356400, 4027680, 5034600, 6712800, 10069200, 20138400]

約数ペア:

[(1, 20138400), (2, 10069200), (3, 6712800), (4, 5034600), (5, 4027680), (6, 3356400), (8, 2517300), (9, 2237600), (10, 2013840), (12, 1678200), (15, 1342560), (16, 1258650), (18, 1118800), (20, 1006920), (24, 839100), (25, 805536), (30, 671280), (32, 629325), (36, 559400), (40, 503460), (45, 447520), (48, 419550), (50, 402768), (60, 335640), (72, 279700), (75, 268512), (80, 251730), (90, 223760), (96, 209775), (100, 201384), (120, 167820), (144, 139850), (150, 134256), (160, 125865), (180, 111880), (200, 100692), (225, 89504), (240, 83910), (288, 69925), (300, 67128), (360, 55940), (400, 50346), (450, 44752), (480, 41955), (600, 33564), (720, 27970), (800, 25173), (900, 22376), (1200, 16782), (1440, 13985), (1800, 11188), (2400, 8391), (2797, 7200), (3600, 5594)]