121951920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3709}}^1$

素因数の和:3862

約数の個数: 80

約数和(自身を含む): 380913120

約数和(自身を除く): 258961200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2192, 2740, 3288, 3709, 4110, 5480, 6576, 7418, 8220, 10960, 11127, 14836, 16440, 18545, 22254, 29672, 32880, 37090, 44508, 55635, 59344, 74180, 89016, 111270, 148360, 178032, 222540, 296720, 445080, 508133, 890160, 1016266, 1524399, 2032532, 2540665, 3048798, 4065064, 5081330, 6097596, 7621995, 8130128, 10162660, 12195192, 15243990, 20325320, 24390384, 30487980, 40650640, 60975960, 121951920]

約数ペア:

[(1, 121951920), (2, 60975960), (3, 40650640), (4, 30487980), (5, 24390384), (6, 20325320), (8, 15243990), (10, 12195192), (12, 10162660), (15, 8130128), (16, 7621995), (20, 6097596), (24, 5081330), (30, 4065064), (40, 3048798), (48, 2540665), (60, 2032532), (80, 1524399), (120, 1016266), (137, 890160), (240, 508133), (274, 445080), (411, 296720), (548, 222540), (685, 178032), (822, 148360), (1096, 111270), (1370, 89016), (1644, 74180), (2055, 59344), (2192, 55635), (2740, 44508), (3288, 37090), (3709, 32880), (4110, 29672), (5480, 22254), (6576, 18545), (7418, 16440), (8220, 14836), (10960, 11127)]