81230730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{55259}}^1$

素因数の和:55283

約数の個数: 48

約数和(自身を含む): 226787040

約数和(自身を除く): 145556310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 55259, 110518, 165777, 276295, 331554, 386813, 552590, 773626, 828885, 1160439, 1657770, 1934065, 2320878, 2707691, 3868130, 5415382, 5802195, 8123073, 11604390, 13538455, 16246146, 27076910, 40615365, 81230730]

約数ペア:

[(1, 81230730), (2, 40615365), (3, 27076910), (5, 16246146), (6, 13538455), (7, 11604390), (10, 8123073), (14, 5802195), (15, 5415382), (21, 3868130), (30, 2707691), (35, 2320878), (42, 1934065), (49, 1657770), (70, 1160439), (98, 828885), (105, 773626), (147, 552590), (210, 386813), (245, 331554), (294, 276295), (490, 165777), (735, 110518), (1470, 55259)]