665348720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{3571}}^1$

素因数の和:3738

約数の個数: 80

約数和(自身を含む): 1650349728

約数和(自身を除く): 985001008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 548, 680, 685, 1096, 1360, 1370, 2192, 2329, 2740, 3571, 4658, 5480, 7142, 9316, 10960, 11645, 14284, 17855, 18632, 23290, 28568, 35710, 37264, 46580, 57136, 60707, 71420, 93160, 121414, 142840, 186320, 242828, 285680, 303535, 485656, 489227, 607070, 971312, 978454, 1214140, 1956908, 2428280, 2446135, 3913816, 4856560, 4892270, 7827632, 8316859, 9784540, 16633718, 19569080, 33267436, 39138160, 41584295, 66534872, 83168590, 133069744, 166337180, 332674360, 665348720]

約数ペア:

[(1, 665348720), (2, 332674360), (4, 166337180), (5, 133069744), (8, 83168590), (10, 66534872), (16, 41584295), (17, 39138160), (20, 33267436), (34, 19569080), (40, 16633718), (68, 9784540), (80, 8316859), (85, 7827632), (136, 4892270), (137, 4856560), (170, 3913816), (272, 2446135), (274, 2428280), (340, 1956908), (548, 1214140), (680, 978454), (685, 971312), (1096, 607070), (1360, 489227), (1370, 485656), (2192, 303535), (2329, 285680), (2740, 242828), (3571, 186320), (4658, 142840), (5480, 121414), (7142, 93160), (9316, 71420), (10960, 60707), (11645, 57136), (14284, 46580), (17855, 37264), (18632, 35710), (23290, 28568)]