78471520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 96

約数和(自身を含む): 198132480

約数和(自身を除く): 119660960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 83, 95, 152, 160, 166, 190, 304, 311, 332, 380, 415, 608, 622, 664, 760, 830, 1244, 1328, 1520, 1555, 1577, 1660, 2488, 2656, 3040, 3110, 3154, 3320, 4976, 5909, 6220, 6308, 6640, 7885, 9952, 11818, 12440, 12616, 13280, 15770, 23636, 24880, 25232, 25813, 29545, 31540, 47272, 49760, 50464, 51626, 59090, 63080, 94544, 103252, 118180, 126160, 129065, 189088, 206504, 236360, 252320, 258130, 413008, 472720, 490447, 516260, 826016, 945440, 980894, 1032520, 1961788, 2065040, 2452235, 3923576, 4130080, 4904470, 7847152, 9808940, 15694304, 19617880, 39235760, 78471520]

約数ペア:

[(1, 78471520), (2, 39235760), (4, 19617880), (5, 15694304), (8, 9808940), (10, 7847152), (16, 4904470), (19, 4130080), (20, 3923576), (32, 2452235), (38, 2065040), (40, 1961788), (76, 1032520), (80, 980894), (83, 945440), (95, 826016), (152, 516260), (160, 490447), (166, 472720), (190, 413008), (304, 258130), (311, 252320), (332, 236360), (380, 206504), (415, 189088), (608, 129065), (622, 126160), (664, 118180), (760, 103252), (830, 94544), (1244, 63080), (1328, 59090), (1520, 51626), (1555, 50464), (1577, 49760), (1660, 47272), (2488, 31540), (2656, 29545), (3040, 25813), (3110, 25232), (3154, 24880), (3320, 23636), (4976, 15770), (5909, 13280), (6220, 12616), (6308, 12440), (6640, 11818), (7885, 9952)]