221821920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{154043}}^1$

素因数の和:154064

約数の個数: 72

約数和(自身を含む): 756972216

約数和(自身を除く): 535150296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 154043, 308086, 462129, 616172, 770215, 924258, 1232344, 1386387, 1540430, 1848516, 2310645, 2464688, 2772774, 3080860, 3697032, 4621290, 4929376, 5545548, 6161720, 6931935, 7394064, 9242580, 11091096, 12323440, 13863870, 14788128, 18485160, 22182192, 24646880, 27727740, 36970320, 44364384, 55455480, 73940640, 110910960, 221821920]

約数ペア:

[(1, 221821920), (2, 110910960), (3, 73940640), (4, 55455480), (5, 44364384), (6, 36970320), (8, 27727740), (9, 24646880), (10, 22182192), (12, 18485160), (15, 14788128), (16, 13863870), (18, 12323440), (20, 11091096), (24, 9242580), (30, 7394064), (32, 6931935), (36, 6161720), (40, 5545548), (45, 4929376), (48, 4621290), (60, 3697032), (72, 3080860), (80, 2772774), (90, 2464688), (96, 2310645), (120, 1848516), (144, 1540430), (160, 1386387), (180, 1232344), (240, 924258), (288, 770215), (360, 616172), (480, 462129), (720, 308086), (1440, 154043)]