320465200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:623

約数の個数: 120

約数和(自身を含む): 846771696

約数和(自身を除く): 526306496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 173, 176, 200, 220, 275, 346, 400, 421, 440, 550, 692, 842, 865, 880, 1100, 1384, 1684, 1730, 1903, 2105, 2200, 2768, 3368, 3460, 3806, 4210, 4325, 4400, 4631, 6736, 6920, 7612, 8420, 8650, 9262, 9515, 10525, 13840, 15224, 16840, 17300, 18524, 19030, 21050, 23155, 30448, 33680, 34600, 37048, 38060, 42100, 46310, 47575, 69200, 72833, 74096, 76120, 84200, 92620, 95150, 115775, 145666, 152240, 168400, 185240, 190300, 231550, 291332, 364165, 370480, 380600, 463100, 582664, 728330, 761200, 801163, 926200, 1165328, 1456660, 1602326, 1820825, 1852400, 2913320, 3204652, 3641650, 4005815, 5826640, 6409304, 7283300, 8011630, 12818608, 14566600, 16023260, 20029075, 29133200, 32046520, 40058150, 64093040, 80116300, 160232600, 320465200]

約数ペア:

[(1, 320465200), (2, 160232600), (4, 80116300), (5, 64093040), (8, 40058150), (10, 32046520), (11, 29133200), (16, 20029075), (20, 16023260), (22, 14566600), (25, 12818608), (40, 8011630), (44, 7283300), (50, 6409304), (55, 5826640), (80, 4005815), (88, 3641650), (100, 3204652), (110, 2913320), (173, 1852400), (176, 1820825), (200, 1602326), (220, 1456660), (275, 1165328), (346, 926200), (400, 801163), (421, 761200), (440, 728330), (550, 582664), (692, 463100), (842, 380600), (865, 370480), (880, 364165), (1100, 291332), (1384, 231550), (1684, 190300), (1730, 185240), (1903, 168400), (2105, 152240), (2200, 145666), (2768, 115775), (3368, 95150), (3460, 92620), (3806, 84200), (4210, 76120), (4325, 74096), (4400, 72833), (4631, 69200), (6736, 47575), (6920, 46310), (7612, 42100), (8420, 38060), (8650, 37048), (9262, 34600), (9515, 33680), (10525, 30448), (13840, 23155), (15224, 21050), (16840, 19030), (17300, 18524)]