15872520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 47880000

約数和(自身を除く): 32007480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 379, 698, 758, 1047, 1137, 1396, 1516, 1745, 1895, 2094, 2274, 2792, 3032, 3490, 3790, 4188, 4548, 5235, 5685, 6980, 7580, 8376, 9096, 10470, 11370, 13960, 15160, 20940, 22740, 41880, 45480, 132271, 264542, 396813, 529084, 661355, 793626, 1058168, 1322710, 1587252, 1984065, 2645420, 3174504, 3968130, 5290840, 7936260, 15872520]

約数ペア:

[(1, 15872520), (2, 7936260), (3, 5290840), (4, 3968130), (5, 3174504), (6, 2645420), (8, 1984065), (10, 1587252), (12, 1322710), (15, 1058168), (20, 793626), (24, 661355), (30, 529084), (40, 396813), (60, 264542), (120, 132271), (349, 45480), (379, 41880), (698, 22740), (758, 20940), (1047, 15160), (1137, 13960), (1396, 11370), (1516, 10470), (1745, 9096), (1895, 8376), (2094, 7580), (2274, 6980), (2792, 5685), (3032, 5235), (3490, 4548), (3790, 4188)]