15859740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20333}}^1$

素因数の和:20358

約数の個数: 48

約数和(自身を含む): 47825568

約数和(自身を除く): 31965828

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, 20333, 40666, 60999, 81332, 101665, 121998, 203330, 243996, 264329, 304995, 406660, 528658, 609990, 792987, 1057316, 1219980, 1321645, 1585974, 2643290, 3171948, 3964935, 5286580, 7929870, 15859740]

約数ペア:

[(1, 15859740), (2, 7929870), (3, 5286580), (4, 3964935), (5, 3171948), (6, 2643290), (10, 1585974), (12, 1321645), (13, 1219980), (15, 1057316), (20, 792987), (26, 609990), (30, 528658), (39, 406660), (52, 304995), (60, 264329), (65, 243996), (78, 203330), (130, 121998), (156, 101665), (195, 81332), (260, 60999), (390, 40666), (780, 20333)]