31242480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{373}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 97389600

約数和(自身を除く): 66147120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 349, 373, 698, 746, 1047, 1119, 1396, 1492, 1745, 1865, 2094, 2238, 2792, 2984, 3490, 3730, 4188, 4476, 5235, 5584, 5595, 5968, 6980, 7460, 8376, 8952, 10470, 11190, 13960, 14920, 16752, 17904, 20940, 22380, 27920, 29840, 41880, 44760, 83760, 89520, 130177, 260354, 390531, 520708, 650885, 781062, 1041416, 1301770, 1562124, 1952655, 2082832, 2603540, 3124248, 3905310, 5207080, 6248496, 7810620, 10414160, 15621240, 31242480]

約数ペア:

[(1, 31242480), (2, 15621240), (3, 10414160), (4, 7810620), (5, 6248496), (6, 5207080), (8, 3905310), (10, 3124248), (12, 2603540), (15, 2082832), (16, 1952655), (20, 1562124), (24, 1301770), (30, 1041416), (40, 781062), (48, 650885), (60, 520708), (80, 390531), (120, 260354), (240, 130177), (349, 89520), (373, 83760), (698, 44760), (746, 41880), (1047, 29840), (1119, 27920), (1396, 22380), (1492, 20940), (1745, 17904), (1865, 16752), (2094, 14920), (2238, 13960), (2792, 11190), (2984, 10470), (3490, 8952), (3730, 8376), (4188, 7460), (4476, 6980), (5235, 5968), (5584, 5595)]