15637140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 47927880

約数和(自身を除く): 32290740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 797, 981, 1090, 1308, 1594, 1635, 1962, 2180, 2391, 3188, 3270, 3924, 3985, 4782, 4905, 6540, 7173, 7970, 9564, 9810, 11955, 14346, 15940, 19620, 23910, 28692, 35865, 47820, 71730, 86873, 143460, 173746, 260619, 347492, 434365, 521238, 781857, 868730, 1042476, 1303095, 1563714, 1737460, 2606190, 3127428, 3909285, 5212380, 7818570, 15637140]

約数ペア:

[(1, 15637140), (2, 7818570), (3, 5212380), (4, 3909285), (5, 3127428), (6, 2606190), (9, 1737460), (10, 1563714), (12, 1303095), (15, 1042476), (18, 868730), (20, 781857), (30, 521238), (36, 434365), (45, 347492), (60, 260619), (90, 173746), (109, 143460), (180, 86873), (218, 71730), (327, 47820), (436, 35865), (545, 28692), (654, 23910), (797, 19620), (981, 15940), (1090, 14346), (1308, 11955), (1594, 9810), (1635, 9564), (1962, 7970), (2180, 7173), (2391, 6540), (3188, 4905), (3270, 4782), (3924, 3985)]