272823280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{751}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 671385600

約数和(自身を除く): 398562320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 239, 304, 380, 478, 751, 760, 956, 1195, 1502, 1520, 1912, 2390, 3004, 3755, 3824, 4541, 4780, 6008, 7510, 9082, 9560, 12016, 14269, 15020, 18164, 19120, 22705, 28538, 30040, 36328, 45410, 57076, 60080, 71345, 72656, 90820, 114152, 142690, 179489, 181640, 228304, 285380, 358978, 363280, 570760, 717956, 897445, 1141520, 1435912, 1794890, 2871824, 3410291, 3589780, 6820582, 7179560, 13641164, 14359120, 17051455, 27282328, 34102910, 54564656, 68205820, 136411640, 272823280]

約数ペア:

[(1, 272823280), (2, 136411640), (4, 68205820), (5, 54564656), (8, 34102910), (10, 27282328), (16, 17051455), (19, 14359120), (20, 13641164), (38, 7179560), (40, 6820582), (76, 3589780), (80, 3410291), (95, 2871824), (152, 1794890), (190, 1435912), (239, 1141520), (304, 897445), (380, 717956), (478, 570760), (751, 363280), (760, 358978), (956, 285380), (1195, 228304), (1502, 181640), (1520, 179489), (1912, 142690), (2390, 114152), (3004, 90820), (3755, 72656), (3824, 71345), (4541, 60080), (4780, 57076), (6008, 45410), (7510, 36328), (9082, 30040), (9560, 28538), (12016, 22705), (14269, 19120), (15020, 18164)]