399000120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46831}}^1$

素因数の和:46916

約数の個数: 64

約数和(自身を含む): 1213885440

約数和(自身を除く): 814885320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 46831, 93662, 140493, 187324, 234155, 280986, 374648, 468310, 561972, 702465, 936620, 1123944, 1404930, 1873240, 2809860, 3325001, 5619720, 6650002, 9975003, 13300004, 16625005, 19950006, 26600008, 33250010, 39900012, 49875015, 66500020, 79800024, 99750030, 133000040, 199500060, 399000120]

約数ペア:

[(1, 399000120), (2, 199500060), (3, 133000040), (4, 99750030), (5, 79800024), (6, 66500020), (8, 49875015), (10, 39900012), (12, 33250010), (15, 26600008), (20, 19950006), (24, 16625005), (30, 13300004), (40, 9975003), (60, 6650002), (71, 5619720), (120, 3325001), (142, 2809860), (213, 1873240), (284, 1404930), (355, 1123944), (426, 936620), (568, 702465), (710, 561972), (852, 468310), (1065, 374648), (1420, 280986), (1704, 234155), (2130, 187324), (2840, 140493), (4260, 93662), (8520, 46831)]