30903320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15767}}^1$

素因数の和:15792

約数の個数: 48

約数和(自身を含む): 80889840

約数和(自身を除く): 49986520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15767, 31534, 63068, 78835, 110369, 126136, 157670, 220738, 315340, 441476, 551845, 630680, 772583, 882952, 1103690, 1545166, 2207380, 3090332, 3862915, 4414760, 6180664, 7725830, 15451660, 30903320]

約数ペア:

[(1, 30903320), (2, 15451660), (4, 7725830), (5, 6180664), (7, 4414760), (8, 3862915), (10, 3090332), (14, 2207380), (20, 1545166), (28, 1103690), (35, 882952), (40, 772583), (49, 630680), (56, 551845), (70, 441476), (98, 315340), (140, 220738), (196, 157670), (245, 126136), (280, 110369), (392, 78835), (490, 63068), (980, 31534), (1960, 15767)]