81520800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{33967}}^1$

素因数の和:33990

約数の個数: 72

約数和(自身を含む): 265358016

約数和(自身を除く): 183837216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 33967, 67934, 101901, 135868, 169835, 203802, 271736, 339670, 407604, 509505, 543472, 679340, 815208, 849175, 1019010, 1086944, 1358680, 1630416, 1698350, 2038020, 2547525, 2717360, 3260832, 3396700, 4076040, 5095050, 5434720, 6793400, 8152080, 10190100, 13586800, 16304160, 20380200, 27173600, 40760400, 81520800]

約数ペア:

[(1, 81520800), (2, 40760400), (3, 27173600), (4, 20380200), (5, 16304160), (6, 13586800), (8, 10190100), (10, 8152080), (12, 6793400), (15, 5434720), (16, 5095050), (20, 4076040), (24, 3396700), (25, 3260832), (30, 2717360), (32, 2547525), (40, 2038020), (48, 1698350), (50, 1630416), (60, 1358680), (75, 1086944), (80, 1019010), (96, 849175), (100, 815208), (120, 679340), (150, 543472), (160, 509505), (200, 407604), (240, 339670), (300, 271736), (400, 203802), (480, 169835), (600, 135868), (800, 101901), (1200, 67934), (2400, 33967)]