281096720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 669480960

約数和(自身を除く): 388384240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 127, 146, 254, 292, 365, 379, 508, 584, 635, 730, 758, 1016, 1168, 1270, 1460, 1516, 1895, 2032, 2540, 2920, 3032, 3790, 5080, 5840, 6064, 7580, 9271, 10160, 15160, 18542, 27667, 30320, 37084, 46355, 48133, 55334, 74168, 92710, 96266, 110668, 138335, 148336, 185420, 192532, 221336, 240665, 276670, 370840, 385064, 442672, 481330, 553340, 741680, 770128, 962660, 1106680, 1925320, 2213360, 3513709, 3850640, 7027418, 14054836, 17568545, 28109672, 35137090, 56219344, 70274180, 140548360, 281096720]

約数ペア:

[(1, 281096720), (2, 140548360), (4, 70274180), (5, 56219344), (8, 35137090), (10, 28109672), (16, 17568545), (20, 14054836), (40, 7027418), (73, 3850640), (80, 3513709), (127, 2213360), (146, 1925320), (254, 1106680), (292, 962660), (365, 770128), (379, 741680), (508, 553340), (584, 481330), (635, 442672), (730, 385064), (758, 370840), (1016, 276670), (1168, 240665), (1270, 221336), (1460, 192532), (1516, 185420), (1895, 148336), (2032, 138335), (2540, 110668), (2920, 96266), (3032, 92710), (3790, 74168), (5080, 55334), (5840, 48133), (6064, 46355), (7580, 37084), (9271, 30320), (10160, 27667), (15160, 18542)]