316156720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1297}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 805403808

約数和(自身を除く): 489247088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 277, 440, 554, 880, 1108, 1297, 1385, 2216, 2594, 2770, 3047, 4432, 5188, 5540, 6094, 6485, 10376, 11080, 12188, 12970, 14267, 15235, 20752, 22160, 24376, 25940, 28534, 30470, 48752, 51880, 57068, 60940, 71335, 103760, 114136, 121880, 142670, 228272, 243760, 285340, 359269, 570680, 718538, 1141360, 1437076, 1796345, 2874152, 3592690, 3951959, 5748304, 7185380, 7903918, 14370760, 15807836, 19759795, 28741520, 31615672, 39519590, 63231344, 79039180, 158078360, 316156720]

約数ペア:

[(1, 316156720), (2, 158078360), (4, 79039180), (5, 63231344), (8, 39519590), (10, 31615672), (11, 28741520), (16, 19759795), (20, 15807836), (22, 14370760), (40, 7903918), (44, 7185380), (55, 5748304), (80, 3951959), (88, 3592690), (110, 2874152), (176, 1796345), (220, 1437076), (277, 1141360), (440, 718538), (554, 570680), (880, 359269), (1108, 285340), (1297, 243760), (1385, 228272), (2216, 142670), (2594, 121880), (2770, 114136), (3047, 103760), (4432, 71335), (5188, 60940), (5540, 57068), (6094, 51880), (6485, 48752), (10376, 30470), (11080, 28534), (12188, 25940), (12970, 24376), (14267, 22160), (15235, 20752)]