257141520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{119047}}^1$

素因数の和:119069

約数の個数: 80

約数和(自身を含む): 885717120

約数和(自身を除く): 628575600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 119047, 238094, 357141, 476188, 595235, 714282, 952376, 1071423, 1190470, 1428564, 1785705, 1904752, 2142846, 2380940, 2857128, 3214269, 3571410, 4285692, 4761880, 5357115, 5714256, 6428538, 7142820, 8571384, 9523760, 10714230, 12857076, 14285640, 16071345, 17142768, 21428460, 25714152, 28571280, 32142690, 42856920, 51428304, 64285380, 85713840, 128570760, 257141520]

約数ペア:

[(1, 257141520), (2, 128570760), (3, 85713840), (4, 64285380), (5, 51428304), (6, 42856920), (8, 32142690), (9, 28571280), (10, 25714152), (12, 21428460), (15, 17142768), (16, 16071345), (18, 14285640), (20, 12857076), (24, 10714230), (27, 9523760), (30, 8571384), (36, 7142820), (40, 6428538), (45, 5714256), (48, 5357115), (54, 4761880), (60, 4285692), (72, 3571410), (80, 3214269), (90, 2857128), (108, 2380940), (120, 2142846), (135, 1904752), (144, 1785705), (180, 1428564), (216, 1190470), (240, 1071423), (270, 952376), (360, 714282), (432, 595235), (540, 476188), (720, 357141), (1080, 238094), (2160, 119047)]