231812640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{160981}}^1$

素因数の和:161002

約数の個数: 72

約数和(自身を含む): 791065548

約数和(自身を除く): 559252908

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, 160981, 321962, 482943, 643924, 804905, 965886, 1287848, 1448829, 1609810, 1931772, 2414715, 2575696, 2897658, 3219620, 3863544, 4829430, 5151392, 5795316, 6439240, 7244145, 7727088, 9658860, 11590632, 12878480, 14488290, 15454176, 19317720, 23181264, 25756960, 28976580, 38635440, 46362528, 57953160, 77270880, 115906320, 231812640]

約数ペア:

[(1, 231812640), (2, 115906320), (3, 77270880), (4, 57953160), (5, 46362528), (6, 38635440), (8, 28976580), (9, 25756960), (10, 23181264), (12, 19317720), (15, 15454176), (16, 14488290), (18, 12878480), (20, 11590632), (24, 9658860), (30, 7727088), (32, 7244145), (36, 6439240), (40, 5795316), (45, 5151392), (48, 4829430), (60, 3863544), (72, 3219620), (80, 2897658), (90, 2575696), (96, 2414715), (120, 1931772), (144, 1609810), (160, 1448829), (180, 1287848), (240, 965886), (288, 804905), (360, 643924), (480, 482943), (720, 321962), (1440, 160981)]