16769220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21499}}^1$

素因数の和:21524

約数の個数: 48

約数和(自身を含む): 50568000

約数和(自身を除く): 33798780

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, 21499, 42998, 64497, 85996, 107495, 128994, 214990, 257988, 279487, 322485, 429980, 558974, 644970, 838461, 1117948, 1289940, 1397435, 1676922, 2794870, 3353844, 4192305, 5589740, 8384610, 16769220]

約数ペア:

[(1, 16769220), (2, 8384610), (3, 5589740), (4, 4192305), (5, 3353844), (6, 2794870), (10, 1676922), (12, 1397435), (13, 1289940), (15, 1117948), (20, 838461), (26, 644970), (30, 558974), (39, 429980), (52, 322485), (60, 279487), (65, 257988), (78, 214990), (130, 128994), (156, 107495), (195, 85996), (260, 64497), (390, 42998), (780, 21499)]