1645758140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{23531}}^1$

素因数の和:23822

約数の個数: 48

約数和(自身を含む): 3735940320

約数和(自身を除く): 2090182180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 2690, 3497, 5380, 6994, 13988, 17485, 23531, 34970, 47062, 69940, 94124, 117655, 235310, 305903, 470620, 611806, 1223612, 1529515, 3059030, 6118060, 6329839, 12659678, 25319356, 31649195, 63298390, 82287907, 126596780, 164575814, 329151628, 411439535, 822879070, 1645758140]

約数ペア:

[(1, 1645758140), (2, 822879070), (4, 411439535), (5, 329151628), (10, 164575814), (13, 126596780), (20, 82287907), (26, 63298390), (52, 31649195), (65, 25319356), (130, 12659678), (260, 6329839), (269, 6118060), (538, 3059030), (1076, 1529515), (1345, 1223612), (2690, 611806), (3497, 470620), (5380, 305903), (6994, 235310), (13988, 117655), (17485, 94124), (23531, 69940), (34970, 47062)]