1618893780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{124339}}^1$

素因数の和:124389

約数の個数: 96

約数和(自身を含む): 5347614720

約数和(自身を除く): 3728720940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 124339, 248678, 373017, 497356, 621695, 746034, 870373, 1243390, 1492068, 1740746, 1865085, 2486780, 2611119, 3481492, 3730170, 3854509, 4351865, 5222238, 7460340, 7709018, 8703730, 10444476, 11563527, 13055595, 15418036, 17407460, 19272545, 23127054, 26111190, 26981563, 38545090, 46254108, 52222380, 53963126, 57817635, 77090180, 80944689, 107926252, 115635270, 134907815, 161889378, 231270540, 269815630, 323778756, 404723445, 539631260, 809446890, 1618893780]

約数ペア:

[(1, 1618893780), (2, 809446890), (3, 539631260), (4, 404723445), (5, 323778756), (6, 269815630), (7, 231270540), (10, 161889378), (12, 134907815), (14, 115635270), (15, 107926252), (20, 80944689), (21, 77090180), (28, 57817635), (30, 53963126), (31, 52222380), (35, 46254108), (42, 38545090), (60, 26981563), (62, 26111190), (70, 23127054), (84, 19272545), (93, 17407460), (105, 15418036), (124, 13055595), (140, 11563527), (155, 10444476), (186, 8703730), (210, 7709018), (217, 7460340), (310, 5222238), (372, 4351865), (420, 3854509), (434, 3730170), (465, 3481492), (620, 2611119), (651, 2486780), (868, 1865085), (930, 1740746), (1085, 1492068), (1302, 1243390), (1860, 870373), (2170, 746034), (2604, 621695), (3255, 497356), (4340, 373017), (6510, 248678), (13020, 124339)]