2315820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2969}}^1$

素因数の和:2994

約数の個数: 48

約数和(自身を含む): 6985440

約数和(自身を除く): 4669620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2969, 5938, 8907, 11876, 14845, 17814, 29690, 35628, 38597, 44535, 59380, 77194, 89070, 115791, 154388, 178140, 192985, 231582, 385970, 463164, 578955, 771940, 1157910, 2315820]

約数ペア:

[(1, 2315820), (2, 1157910), (3, 771940), (4, 578955), (5, 463164), (6, 385970), (10, 231582), (12, 192985), (13, 178140), (15, 154388), (20, 115791), (26, 89070), (30, 77194), (39, 59380), (52, 44535), (60, 38597), (65, 35628), (78, 29690), (130, 17814), (156, 14845), (195, 11876), (260, 8907), (390, 5938), (780, 2969)]