180307800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{919}}^1$

素因数の和:1050

約数の個数: 144

約数和(自身を含む): 611754000

約数和(自身を除く): 431446200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 109, 120, 150, 180, 200, 218, 225, 300, 327, 360, 436, 450, 545, 600, 654, 872, 900, 919, 981, 1090, 1308, 1635, 1800, 1838, 1962, 2180, 2616, 2725, 2757, 3270, 3676, 3924, 4360, 4595, 4905, 5450, 5514, 6540, 7352, 7848, 8175, 8271, 9190, 9810, 10900, 11028, 13080, 13785, 16350, 16542, 18380, 19620, 21800, 22056, 22975, 24525, 27570, 32700, 33084, 36760, 39240, 41355, 45950, 49050, 55140, 65400, 66168, 68925, 82710, 91900, 98100, 100171, 110280, 137850, 165420, 183800, 196200, 200342, 206775, 275700, 300513, 330840, 400684, 413550, 500855, 551400, 601026, 801368, 827100, 901539, 1001710, 1202052, 1502565, 1654200, 1803078, 2003420, 2404104, 2504275, 3005130, 3606156, 4006840, 4507695, 5008550, 6010260, 7212312, 7512825, 9015390, 10017100, 12020520, 15025650, 18030780, 20034200, 22538475, 30051300, 36061560, 45076950, 60102600, 90153900, 180307800]

約数ペア:

[(1, 180307800), (2, 90153900), (3, 60102600), (4, 45076950), (5, 36061560), (6, 30051300), (8, 22538475), (9, 20034200), (10, 18030780), (12, 15025650), (15, 12020520), (18, 10017100), (20, 9015390), (24, 7512825), (25, 7212312), (30, 6010260), (36, 5008550), (40, 4507695), (45, 4006840), (50, 3606156), (60, 3005130), (72, 2504275), (75, 2404104), (90, 2003420), (100, 1803078), (109, 1654200), (120, 1502565), (150, 1202052), (180, 1001710), (200, 901539), (218, 827100), (225, 801368), (300, 601026), (327, 551400), (360, 500855), (436, 413550), (450, 400684), (545, 330840), (600, 300513), (654, 275700), (872, 206775), (900, 200342), (919, 196200), (981, 183800), (1090, 165420), (1308, 137850), (1635, 110280), (1800, 100171), (1838, 98100), (1962, 91900), (2180, 82710), (2616, 68925), (2725, 66168), (2757, 65400), (3270, 55140), (3676, 49050), (3924, 45950), (4360, 41355), (4595, 39240), (4905, 36760), (5450, 33084), (5514, 32700), (6540, 27570), (7352, 24525), (7848, 22975), (8175, 22056), (8271, 21800), (9190, 19620), (9810, 18380), (10900, 16542), (11028, 16350), (13080, 13785)]