71159940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20807}}^1$

素因数の和:20841

約数の個数: 72

約数和(自身を含む): 227223360

約数和(自身を除く): 156063420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20807, 41614, 62421, 83228, 104035, 124842, 187263, 208070, 249684, 312105, 374526, 395333, 416140, 624210, 749052, 790666, 936315, 1185999, 1248420, 1581332, 1872630, 1976665, 2371998, 3557997, 3745260, 3953330, 4743996, 5929995, 7115994, 7906660, 11859990, 14231988, 17789985, 23719980, 35579970, 71159940]

約数ペア:

[(1, 71159940), (2, 35579970), (3, 23719980), (4, 17789985), (5, 14231988), (6, 11859990), (9, 7906660), (10, 7115994), (12, 5929995), (15, 4743996), (18, 3953330), (19, 3745260), (20, 3557997), (30, 2371998), (36, 1976665), (38, 1872630), (45, 1581332), (57, 1248420), (60, 1185999), (76, 936315), (90, 790666), (95, 749052), (114, 624210), (171, 416140), (180, 395333), (190, 374526), (228, 312105), (285, 249684), (342, 208070), (380, 187263), (570, 124842), (684, 104035), (855, 83228), (1140, 62421), (1710, 41614), (3420, 20807)]