78471720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:776

約数の個数: 128

約数和(自身を含む): 264297600

約数和(自身を除く): 185825880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 113, 120, 135, 180, 216, 226, 270, 339, 360, 452, 540, 565, 643, 678, 904, 1017, 1080, 1130, 1286, 1356, 1695, 1929, 2034, 2260, 2572, 2712, 3051, 3215, 3390, 3858, 4068, 4520, 5085, 5144, 5787, 6102, 6430, 6780, 7716, 8136, 9645, 10170, 11574, 12204, 12860, 13560, 15255, 15432, 17361, 19290, 20340, 23148, 24408, 25720, 28935, 30510, 34722, 38580, 40680, 46296, 57870, 61020, 69444, 72659, 77160, 86805, 115740, 122040, 138888, 145318, 173610, 217977, 231480, 290636, 347220, 363295, 435954, 581272, 653931, 694440, 726590, 871908, 1089885, 1307862, 1453180, 1743816, 1961793, 2179770, 2615724, 2906360, 3269655, 3923586, 4359540, 5231448, 6539310, 7847172, 8719080, 9808965, 13078620, 15694344, 19617930, 26157240, 39235860, 78471720]

約数ペア:

[(1, 78471720), (2, 39235860), (3, 26157240), (4, 19617930), (5, 15694344), (6, 13078620), (8, 9808965), (9, 8719080), (10, 7847172), (12, 6539310), (15, 5231448), (18, 4359540), (20, 3923586), (24, 3269655), (27, 2906360), (30, 2615724), (36, 2179770), (40, 1961793), (45, 1743816), (54, 1453180), (60, 1307862), (72, 1089885), (90, 871908), (108, 726590), (113, 694440), (120, 653931), (135, 581272), (180, 435954), (216, 363295), (226, 347220), (270, 290636), (339, 231480), (360, 217977), (452, 173610), (540, 145318), (565, 138888), (643, 122040), (678, 115740), (904, 86805), (1017, 77160), (1080, 72659), (1130, 69444), (1286, 61020), (1356, 57870), (1695, 46296), (1929, 40680), (2034, 38580), (2260, 34722), (2572, 30510), (2712, 28935), (3051, 25720), (3215, 24408), (3390, 23148), (3858, 20340), (4068, 19290), (4520, 17361), (5085, 15432), (5144, 15255), (5787, 13560), (6102, 12860), (6430, 12204), (6780, 11574), (7716, 10170), (8136, 9645)]