8443320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 25712640

約数和(自身を除く): 17269320

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, 991, 1065, 1420, 1704, 1982, 2130, 2840, 2973, 3964, 4260, 4955, 5946, 7928, 8520, 9910, 11892, 14865, 19820, 23784, 29730, 39640, 59460, 70361, 118920, 140722, 211083, 281444, 351805, 422166, 562888, 703610, 844332, 1055415, 1407220, 1688664, 2110830, 2814440, 4221660, 8443320]

約数ペア:

[(1, 8443320), (2, 4221660), (3, 2814440), (4, 2110830), (5, 1688664), (6, 1407220), (8, 1055415), (10, 844332), (12, 703610), (15, 562888), (20, 422166), (24, 351805), (30, 281444), (40, 211083), (60, 140722), (71, 118920), (120, 70361), (142, 59460), (213, 39640), (284, 29730), (355, 23784), (426, 19820), (568, 14865), (710, 11892), (852, 9910), (991, 8520), (1065, 7928), (1420, 5946), (1704, 4955), (1982, 4260), (2130, 3964), (2840, 2973)]