720732800

素因数分解:

$2^7\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2851}}^1$

素因数の和:2954

約数の個数: 96

約数和(自身を含む): 1803604800

約数和(自身を除く): 1082872000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 200, 316, 320, 395, 400, 632, 640, 790, 800, 1264, 1580, 1600, 1975, 2528, 2851, 3160, 3200, 3950, 5056, 5702, 6320, 7900, 10112, 11404, 12640, 14255, 15800, 22808, 25280, 28510, 31600, 45616, 50560, 57020, 63200, 71275, 91232, 114040, 126400, 142550, 182464, 225229, 228080, 252800, 285100, 364928, 450458, 456160, 570200, 900916, 912320, 1126145, 1140400, 1801832, 1824640, 2252290, 2280800, 3603664, 4504580, 4561600, 5630725, 7207328, 9009160, 9123200, 11261450, 14414656, 18018320, 22522900, 28829312, 36036640, 45045800, 72073280, 90091600, 144146560, 180183200, 360366400, 720732800]

約数ペア:

[(1, 720732800), (2, 360366400), (4, 180183200), (5, 144146560), (8, 90091600), (10, 72073280), (16, 45045800), (20, 36036640), (25, 28829312), (32, 22522900), (40, 18018320), (50, 14414656), (64, 11261450), (79, 9123200), (80, 9009160), (100, 7207328), (128, 5630725), (158, 4561600), (160, 4504580), (200, 3603664), (316, 2280800), (320, 2252290), (395, 1824640), (400, 1801832), (632, 1140400), (640, 1126145), (790, 912320), (800, 900916), (1264, 570200), (1580, 456160), (1600, 450458), (1975, 364928), (2528, 285100), (2851, 252800), (3160, 228080), (3200, 225229), (3950, 182464), (5056, 142550), (5702, 126400), (6320, 114040), (7900, 91232), (10112, 71275), (11404, 63200), (12640, 57020), (14255, 50560), (15800, 45616), (22808, 31600), (25280, 28510)]