63999990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{809}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 171460800

約数和(自身を除く): 107460810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 293, 586, 809, 879, 1465, 1618, 1758, 2427, 2637, 2930, 4045, 4395, 4854, 5274, 7281, 7911, 8090, 8790, 12135, 13185, 14562, 15822, 21843, 24270, 26370, 36405, 39555, 43686, 72810, 79110, 109215, 218430, 237037, 474074, 711111, 1185185, 1422222, 2133333, 2370370, 3555555, 4266666, 6399999, 7111110, 10666665, 12799998, 21333330, 31999995, 63999990]

約数ペア:

[(1, 63999990), (2, 31999995), (3, 21333330), (5, 12799998), (6, 10666665), (9, 7111110), (10, 6399999), (15, 4266666), (18, 3555555), (27, 2370370), (30, 2133333), (45, 1422222), (54, 1185185), (90, 711111), (135, 474074), (270, 237037), (293, 218430), (586, 109215), (809, 79110), (879, 72810), (1465, 43686), (1618, 39555), (1758, 36405), (2427, 26370), (2637, 24270), (2930, 21843), (4045, 15822), (4395, 14562), (4854, 13185), (5274, 12135), (7281, 8790), (7911, 8090)]