304818640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3467}}^1$

素因数の和:3644

約数の個数: 80

約数和(自身を含む): 815340672

約数和(自身を除く): 510522032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2198, 2512, 3140, 3467, 4396, 5495, 6280, 6934, 8792, 10990, 12560, 13868, 17335, 17584, 21980, 24269, 27736, 34670, 43960, 48538, 55472, 69340, 87920, 97076, 121345, 138680, 194152, 242690, 277360, 388304, 485380, 544319, 970760, 1088638, 1941520, 2177276, 2721595, 3810233, 4354552, 5443190, 7620466, 8709104, 10886380, 15240932, 19051165, 21772760, 30481864, 38102330, 43545520, 60963728, 76204660, 152409320, 304818640]

約数ペア:

[(1, 304818640), (2, 152409320), (4, 76204660), (5, 60963728), (7, 43545520), (8, 38102330), (10, 30481864), (14, 21772760), (16, 19051165), (20, 15240932), (28, 10886380), (35, 8709104), (40, 7620466), (56, 5443190), (70, 4354552), (80, 3810233), (112, 2721595), (140, 2177276), (157, 1941520), (280, 1088638), (314, 970760), (560, 544319), (628, 485380), (785, 388304), (1099, 277360), (1256, 242690), (1570, 194152), (2198, 138680), (2512, 121345), (3140, 97076), (3467, 87920), (4396, 69340), (5495, 55472), (6280, 48538), (6934, 43960), (8792, 34670), (10990, 27736), (12560, 24269), (13868, 21980), (17335, 17584)]