7739940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9923}}^1$

素因数の和:9948

約数の個数: 48

約数和(自身を含む): 23341248

約数和(自身を除く): 15601308

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, 9923, 19846, 29769, 39692, 49615, 59538, 99230, 119076, 128999, 148845, 198460, 257998, 297690, 386997, 515996, 595380, 644995, 773994, 1289990, 1547988, 1934985, 2579980, 3869970, 7739940]

約数ペア:

[(1, 7739940), (2, 3869970), (3, 2579980), (4, 1934985), (5, 1547988), (6, 1289990), (10, 773994), (12, 644995), (13, 595380), (15, 515996), (20, 386997), (26, 297690), (30, 257998), (39, 198460), (52, 148845), (60, 128999), (65, 119076), (78, 99230), (130, 59538), (156, 49615), (195, 39692), (260, 29769), (390, 19846), (780, 9923)]