157464280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1103}}^1$

素因数の和:1240

約数の個数: 64

約数和(自身を含む): 367234560

約数和(自身を除く): 209770280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 1103, 1660, 1720, 2206, 3320, 3569, 4412, 5515, 7138, 8824, 11030, 14276, 17845, 22060, 28552, 35690, 44120, 47429, 71380, 91549, 94858, 142760, 183098, 189716, 237145, 366196, 379432, 457745, 474290, 732392, 915490, 948580, 1830980, 1897160, 3661960, 3936607, 7873214, 15746428, 19683035, 31492856, 39366070, 78732140, 157464280]

約数ペア:

[(1, 157464280), (2, 78732140), (4, 39366070), (5, 31492856), (8, 19683035), (10, 15746428), (20, 7873214), (40, 3936607), (43, 3661960), (83, 1897160), (86, 1830980), (166, 948580), (172, 915490), (215, 732392), (332, 474290), (344, 457745), (415, 379432), (430, 366196), (664, 237145), (830, 189716), (860, 183098), (1103, 142760), (1660, 94858), (1720, 91549), (2206, 71380), (3320, 47429), (3569, 44120), (4412, 35690), (5515, 28552), (7138, 22060), (8824, 17845), (11030, 14276)]