15331940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 35056560

約数和(自身を除く): 19724620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 541, 545, 1082, 1090, 1417, 2164, 2180, 2705, 2834, 5410, 5668, 7033, 7085, 10820, 14066, 14170, 28132, 28340, 35165, 58969, 70330, 117938, 140660, 235876, 294845, 589690, 766597, 1179380, 1533194, 3066388, 3832985, 7665970, 15331940]

約数ペア:

[(1, 15331940), (2, 7665970), (4, 3832985), (5, 3066388), (10, 1533194), (13, 1179380), (20, 766597), (26, 589690), (52, 294845), (65, 235876), (109, 140660), (130, 117938), (218, 70330), (260, 58969), (436, 35165), (541, 28340), (545, 28132), (1082, 14170), (1090, 14066), (1417, 10820), (2164, 7085), (2180, 7033), (2705, 5668), (2834, 5410)]