31378920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2399}}^1$

素因数の和:2522

約数の個数: 64

約数和(自身を含む): 95040000

約数和(自身を除く): 63661080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 2180, 2399, 2616, 3270, 4360, 4798, 6540, 7197, 9596, 11995, 13080, 14394, 19192, 23990, 28788, 35985, 47980, 57576, 71970, 95960, 143940, 261491, 287880, 522982, 784473, 1045964, 1307455, 1568946, 2091928, 2614910, 3137892, 3922365, 5229820, 6275784, 7844730, 10459640, 15689460, 31378920]

約数ペア:

[(1, 31378920), (2, 15689460), (3, 10459640), (4, 7844730), (5, 6275784), (6, 5229820), (8, 3922365), (10, 3137892), (12, 2614910), (15, 2091928), (20, 1568946), (24, 1307455), (30, 1045964), (40, 784473), (60, 522982), (109, 287880), (120, 261491), (218, 143940), (327, 95960), (436, 71970), (545, 57576), (654, 47980), (872, 35985), (1090, 28788), (1308, 23990), (1635, 19192), (2180, 14394), (2399, 13080), (2616, 11995), (3270, 9596), (4360, 7197), (4798, 6540)]