1278903080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{351347}}^1$

素因数の和:351378

約数の個数: 64

約数和(自身を含む): 3541587840

約数和(自身を除く): 2262684760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 351347, 702694, 1405388, 1756735, 2459429, 2810776, 3513470, 4567511, 4918858, 7026940, 9135022, 9837716, 12297145, 14053880, 18270044, 19675432, 22837555, 24594290, 31972577, 36540088, 45675110, 49188580, 63945154, 91350220, 98377160, 127890308, 159862885, 182700440, 255780616, 319725770, 639451540, 1278903080]

約数ペア:

[(1, 1278903080), (2, 639451540), (4, 319725770), (5, 255780616), (7, 182700440), (8, 159862885), (10, 127890308), (13, 98377160), (14, 91350220), (20, 63945154), (26, 49188580), (28, 45675110), (35, 36540088), (40, 31972577), (52, 24594290), (56, 22837555), (65, 19675432), (70, 18270044), (91, 14053880), (104, 12297145), (130, 9837716), (140, 9135022), (182, 7026940), (260, 4918858), (280, 4567511), (364, 3513470), (455, 2810776), (520, 2459429), (728, 1756735), (910, 1405388), (1820, 702694), (3640, 351347)]