30123560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 71539200

約数和(自身を除く): 41415640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 137, 184, 230, 239, 274, 460, 478, 548, 685, 920, 956, 1096, 1195, 1370, 1912, 2390, 2740, 3151, 4780, 5480, 5497, 6302, 9560, 10994, 12604, 15755, 21988, 25208, 27485, 31510, 32743, 43976, 54970, 63020, 65486, 109940, 126040, 130972, 163715, 219880, 261944, 327430, 654860, 753089, 1309720, 1506178, 3012356, 3765445, 6024712, 7530890, 15061780, 30123560]

約数ペア:

[(1, 30123560), (2, 15061780), (4, 7530890), (5, 6024712), (8, 3765445), (10, 3012356), (20, 1506178), (23, 1309720), (40, 753089), (46, 654860), (92, 327430), (115, 261944), (137, 219880), (184, 163715), (230, 130972), (239, 126040), (274, 109940), (460, 65486), (478, 63020), (548, 54970), (685, 43976), (920, 32743), (956, 31510), (1096, 27485), (1195, 25208), (1370, 21988), (1912, 15755), (2390, 12604), (2740, 10994), (3151, 9560), (4780, 6302), (5480, 5497)]