291832020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85331}}^1$

素因数の和:85365

約数の個数: 72

約数和(自身を含む): 931825440

約数和(自身を除く): 639993420

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, 85331, 170662, 255993, 341324, 426655, 511986, 767979, 853310, 1023972, 1279965, 1535958, 1621289, 1706620, 2559930, 3071916, 3242578, 3839895, 4863867, 5119860, 6485156, 7679790, 8106445, 9727734, 14591601, 15359580, 16212890, 19455468, 24319335, 29183202, 32425780, 48638670, 58366404, 72958005, 97277340, 145916010, 291832020]

約数ペア:

[(1, 291832020), (2, 145916010), (3, 97277340), (4, 72958005), (5, 58366404), (6, 48638670), (9, 32425780), (10, 29183202), (12, 24319335), (15, 19455468), (18, 16212890), (19, 15359580), (20, 14591601), (30, 9727734), (36, 8106445), (38, 7679790), (45, 6485156), (57, 5119860), (60, 4863867), (76, 3839895), (90, 3242578), (95, 3071916), (114, 2559930), (171, 1706620), (180, 1621289), (190, 1535958), (228, 1279965), (285, 1023972), (342, 853310), (380, 767979), (570, 511986), (684, 426655), (855, 341324), (1140, 255993), (1710, 170662), (3420, 85331)]