123959940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158923}}^1$

素因数の和:158948

約数の個数: 48

約数和(自身を含む): 373789248

約数和(自身を除く): 249829308

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, 158923, 317846, 476769, 635692, 794615, 953538, 1589230, 1907076, 2065999, 2383845, 3178460, 4131998, 4767690, 6197997, 8263996, 9535380, 10329995, 12395994, 20659990, 24791988, 30989985, 41319980, 61979970, 123959940]

約数ペア:

[(1, 123959940), (2, 61979970), (3, 41319980), (4, 30989985), (5, 24791988), (6, 20659990), (10, 12395994), (12, 10329995), (13, 9535380), (15, 8263996), (20, 6197997), (26, 4767690), (30, 4131998), (39, 3178460), (52, 2383845), (60, 2065999), (65, 1907076), (78, 1589230), (130, 953538), (156, 794615), (195, 635692), (260, 476769), (390, 317846), (780, 158923)]