1215671320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{1601}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 2809779840

約数和(自身を除く): 1594108520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 463, 820, 926, 1601, 1640, 1852, 2315, 3202, 3704, 4630, 6404, 8005, 9260, 12808, 16010, 18520, 18983, 32020, 37966, 64040, 65641, 75932, 94915, 131282, 151864, 189830, 262564, 328205, 379660, 525128, 656410, 741263, 759320, 1312820, 1482526, 2625640, 2965052, 3706315, 5930104, 7412630, 14825260, 29650520, 30391783, 60783566, 121567132, 151958915, 243134264, 303917830, 607835660, 1215671320]

約数ペア:

[(1, 1215671320), (2, 607835660), (4, 303917830), (5, 243134264), (8, 151958915), (10, 121567132), (20, 60783566), (40, 30391783), (41, 29650520), (82, 14825260), (164, 7412630), (205, 5930104), (328, 3706315), (410, 2965052), (463, 2625640), (820, 1482526), (926, 1312820), (1601, 759320), (1640, 741263), (1852, 656410), (2315, 525128), (3202, 379660), (3704, 328205), (4630, 262564), (6404, 189830), (8005, 151864), (9260, 131282), (12808, 94915), (16010, 75932), (18520, 65641), (18983, 64040), (32020, 37966)]