68706540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1812

約数の個数: 144

約数和(自身を含む): 246005760

約数和(自身を除く): 177299220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1759, 1860, 1953, 2170, 2604, 2790, 3255, 3518, 3906, 4340, 5277, 5580, 6510, 7036, 7812, 8795, 9765, 10554, 12313, 13020, 15831, 17590, 19530, 21108, 24626, 26385, 31662, 35180, 36939, 39060, 49252, 52770, 54529, 61565, 63324, 73878, 79155, 105540, 109058, 110817, 123130, 147756, 158310, 163587, 184695, 218116, 221634, 246260, 272645, 316620, 327174, 369390, 381703, 443268, 490761, 545290, 554085, 654348, 738780, 763406, 817935, 981522, 1090580, 1108170, 1145109, 1526812, 1635870, 1908515, 1963044, 2216340, 2290218, 2453805, 3271740, 3435327, 3817030, 4580436, 4907610, 5725545, 6870654, 7634060, 9815220, 11451090, 13741308, 17176635, 22902180, 34353270, 68706540]

約数ペア:

[(1, 68706540), (2, 34353270), (3, 22902180), (4, 17176635), (5, 13741308), (6, 11451090), (7, 9815220), (9, 7634060), (10, 6870654), (12, 5725545), (14, 4907610), (15, 4580436), (18, 3817030), (20, 3435327), (21, 3271740), (28, 2453805), (30, 2290218), (31, 2216340), (35, 1963044), (36, 1908515), (42, 1635870), (45, 1526812), (60, 1145109), (62, 1108170), (63, 1090580), (70, 981522), (84, 817935), (90, 763406), (93, 738780), (105, 654348), (124, 554085), (126, 545290), (140, 490761), (155, 443268), (180, 381703), (186, 369390), (210, 327174), (217, 316620), (252, 272645), (279, 246260), (310, 221634), (315, 218116), (372, 184695), (420, 163587), (434, 158310), (465, 147756), (558, 123130), (620, 110817), (630, 109058), (651, 105540), (868, 79155), (930, 73878), (1085, 63324), (1116, 61565), (1260, 54529), (1302, 52770), (1395, 49252), (1759, 39060), (1860, 36939), (1953, 35180), (2170, 31662), (2604, 26385), (2790, 24626), (3255, 21108), (3518, 19530), (3906, 17590), (4340, 15831), (5277, 13020), (5580, 12313), (6510, 10554), (7036, 9765), (7812, 8795)]