30706845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 57335040

約数和(自身を除く): 26628195

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 59, 65, 85, 157, 177, 195, 221, 255, 295, 471, 663, 767, 785, 885, 1003, 1105, 2041, 2301, 2355, 2669, 3009, 3315, 3835, 5015, 6123, 8007, 9263, 10205, 11505, 13039, 13345, 15045, 27789, 30615, 34697, 39117, 40035, 46315, 65195, 104091, 120419, 138945, 157471, 173485, 195585, 361257, 472413, 520455, 602095, 787355, 1806285, 2047123, 2362065, 6141369, 10235615, 30706845]

約数ペア:

[(1, 30706845), (3, 10235615), (5, 6141369), (13, 2362065), (15, 2047123), (17, 1806285), (39, 787355), (51, 602095), (59, 520455), (65, 472413), (85, 361257), (157, 195585), (177, 173485), (195, 157471), (221, 138945), (255, 120419), (295, 104091), (471, 65195), (663, 46315), (767, 40035), (785, 39117), (885, 34697), (1003, 30615), (1105, 27789), (2041, 15045), (2301, 13345), (2355, 13039), (2669, 11505), (3009, 10205), (3315, 9263), (3835, 8007), (5015, 6123)]