180517815

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 346876992

約数和(自身を除く): 166359177

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 157, 167, 255, 405, 459, 471, 501, 765, 785, 835, 1377, 1413, 1503, 2295, 2355, 2505, 2669, 2839, 4239, 4509, 6885, 7065, 7515, 8007, 8517, 12717, 13345, 13527, 14195, 21195, 22545, 24021, 25551, 26219, 40035, 42585, 63585, 67635, 72063, 76653, 78657, 120105, 127755, 131095, 216189, 229959, 235971, 360315, 383265, 393285, 445723, 707913, 1080945, 1149795, 1179855, 1337169, 2123739, 2228615, 3539565, 4011507, 6685845, 10618695, 12034521, 20057535, 36103563, 60172605, 180517815]

約数ペア:

[(1, 180517815), (3, 60172605), (5, 36103563), (9, 20057535), (15, 12034521), (17, 10618695), (27, 6685845), (45, 4011507), (51, 3539565), (81, 2228615), (85, 2123739), (135, 1337169), (153, 1179855), (157, 1149795), (167, 1080945), (255, 707913), (405, 445723), (459, 393285), (471, 383265), (501, 360315), (765, 235971), (785, 229959), (835, 216189), (1377, 131095), (1413, 127755), (1503, 120105), (2295, 78657), (2355, 76653), (2505, 72063), (2669, 67635), (2839, 63585), (4239, 42585), (4509, 40035), (6885, 26219), (7065, 25551), (7515, 24021), (8007, 22545), (8517, 21195), (12717, 14195), (13345, 13527)]