81872040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{829}}^1$

素因数の和:1666

約数の個数: 64

約数和(自身を含む): 246211200

約数和(自身を除く): 164339160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 823, 829, 1646, 1658, 2469, 2487, 3292, 3316, 4115, 4145, 4938, 4974, 6584, 6632, 8230, 8290, 9876, 9948, 12345, 12435, 16460, 16580, 19752, 19896, 24690, 24870, 32920, 33160, 49380, 49740, 98760, 99480, 682267, 1364534, 2046801, 2729068, 3411335, 4093602, 5458136, 6822670, 8187204, 10234005, 13645340, 16374408, 20468010, 27290680, 40936020, 81872040]

約数ペア:

[(1, 81872040), (2, 40936020), (3, 27290680), (4, 20468010), (5, 16374408), (6, 13645340), (8, 10234005), (10, 8187204), (12, 6822670), (15, 5458136), (20, 4093602), (24, 3411335), (30, 2729068), (40, 2046801), (60, 1364534), (120, 682267), (823, 99480), (829, 98760), (1646, 49740), (1658, 49380), (2469, 33160), (2487, 32920), (3292, 24870), (3316, 24690), (4115, 19896), (4145, 19752), (4938, 16580), (4974, 16460), (6584, 12435), (6632, 12345), (8230, 9948), (8290, 9876)]