1555880080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{27277}}^1$

素因数の和:27344

約数の個数: 80

約数和(自身を含む): 3896607744

約数和(自身を除く): 2340727664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 5704, 7130, 11408, 14260, 27277, 28520, 54554, 57040, 109108, 136385, 218216, 272770, 436432, 545540, 627371, 845587, 1091080, 1254742, 1691174, 2182160, 2509484, 3136855, 3382348, 4227935, 5018968, 6273710, 6764696, 8455870, 10037936, 12547420, 13529392, 16911740, 19448501, 25094840, 33823480, 38897002, 50189680, 67646960, 77794004, 97242505, 155588008, 194485010, 311176016, 388970020, 777940040, 1555880080]

約数ペア:

[(1, 1555880080), (2, 777940040), (4, 388970020), (5, 311176016), (8, 194485010), (10, 155588008), (16, 97242505), (20, 77794004), (23, 67646960), (31, 50189680), (40, 38897002), (46, 33823480), (62, 25094840), (80, 19448501), (92, 16911740), (115, 13529392), (124, 12547420), (155, 10037936), (184, 8455870), (230, 6764696), (248, 6273710), (310, 5018968), (368, 4227935), (460, 3382348), (496, 3136855), (620, 2509484), (713, 2182160), (920, 1691174), (1240, 1254742), (1426, 1091080), (1840, 845587), (2480, 627371), (2852, 545540), (3565, 436432), (5704, 272770), (7130, 218216), (11408, 136385), (14260, 109108), (27277, 57040), (28520, 54554)]