31121880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1163}}^1$

素因数の和:1400

約数の個数: 64

約数和(自身を含む): 93864960

約数和(自身を除く): 62743080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1163, 1338, 1784, 2230, 2326, 2676, 3345, 3489, 4460, 4652, 5352, 5815, 6690, 6978, 8920, 9304, 11630, 13380, 13956, 17445, 23260, 26760, 27912, 34890, 46520, 69780, 139560, 259349, 518698, 778047, 1037396, 1296745, 1556094, 2074792, 2593490, 3112188, 3890235, 5186980, 6224376, 7780470, 10373960, 15560940, 31121880]

約数ペア:

[(1, 31121880), (2, 15560940), (3, 10373960), (4, 7780470), (5, 6224376), (6, 5186980), (8, 3890235), (10, 3112188), (12, 2593490), (15, 2074792), (20, 1556094), (24, 1296745), (30, 1037396), (40, 778047), (60, 518698), (120, 259349), (223, 139560), (446, 69780), (669, 46520), (892, 34890), (1115, 27912), (1163, 26760), (1338, 23260), (1784, 17445), (2230, 13956), (2326, 13380), (2676, 11630), (3345, 9304), (3489, 8920), (4460, 6978), (4652, 6690), (5352, 5815)]