397331280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{551849}}^1$

素因数の和:551868

約数の個数: 60

約数和(自身を含む): 1334373300

約数和(自身を除く): 937042020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 551849, 1103698, 1655547, 2207396, 2759245, 3311094, 4414792, 4966641, 5518490, 6622188, 8277735, 8829584, 9933282, 11036980, 13244376, 16555470, 19866564, 22073960, 24833205, 26488752, 33110940, 39733128, 44147920, 49666410, 66221880, 79466256, 99332820, 132443760, 198665640, 397331280]

約数ペア:

[(1, 397331280), (2, 198665640), (3, 132443760), (4, 99332820), (5, 79466256), (6, 66221880), (8, 49666410), (9, 44147920), (10, 39733128), (12, 33110940), (15, 26488752), (16, 24833205), (18, 22073960), (20, 19866564), (24, 16555470), (30, 13244376), (36, 11036980), (40, 9933282), (45, 8829584), (48, 8277735), (60, 6622188), (72, 5518490), (80, 4966641), (90, 4414792), (120, 3311094), (144, 2759245), (180, 2207396), (240, 1655547), (360, 1103698), (720, 551849)]