1261197180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:417

約数の個数: 216

約数和(自身を含む): 4137902496

約数和(自身を除く): 2876705316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 317, 345, 372, 414, 460, 465, 558, 620, 634, 690, 713, 828, 930, 951, 961, 1035, 1116, 1268, 1380, 1395, 1426, 1585, 1860, 1902, 1922, 2070, 2139, 2790, 2852, 2853, 2883, 3170, 3565, 3804, 3844, 4140, 4278, 4755, 4805, 5580, 5706, 5766, 6340, 6417, 7130, 7291, 8556, 8649, 9510, 9610, 9827, 10695, 11412, 11532, 12834, 14260, 14265, 14415, 14582, 17298, 19020, 19220, 19654, 21390, 21873, 22103, 25668, 28530, 28830, 29164, 29481, 32085, 34596, 36455, 39308, 42780, 43245, 43746, 44206, 49135, 57060, 57660, 58962, 64170, 65619, 66309, 72910, 86490, 87492, 88412, 88443, 98270, 109365, 110515, 117924, 128340, 131238, 132618, 145820, 147405, 172980, 176886, 196540, 198927, 218730, 221030, 226021, 262476, 265236, 294810, 304637, 328095, 331545, 353772, 397854, 437460, 442060, 442215, 452042, 589620, 609274, 656190, 663090, 678063, 795708, 884430, 904084, 913911, 994635, 1130105, 1218548, 1312380, 1326180, 1356126, 1523185, 1768860, 1827822, 1989270, 2034189, 2260210, 2712252, 2741733, 3046370, 3390315, 3655644, 3978540, 4068378, 4520420, 4569555, 5483466, 6092740, 6780630, 7006651, 8136756, 9139110, 10170945, 10966932, 13561260, 13708665, 14013302, 18278220, 20341890, 21019953, 27417330, 28026604, 35033255, 40683780, 42039906, 54834660, 63059859, 70066510, 84079812, 105099765, 126119718, 140133020, 210199530, 252239436, 315299295, 420399060, 630598590, 1261197180]

約数ペア:

[(1, 1261197180), (2, 630598590), (3, 420399060), (4, 315299295), (5, 252239436), (6, 210199530), (9, 140133020), (10, 126119718), (12, 105099765), (15, 84079812), (18, 70066510), (20, 63059859), (23, 54834660), (30, 42039906), (31, 40683780), (36, 35033255), (45, 28026604), (46, 27417330), (60, 21019953), (62, 20341890), (69, 18278220), (90, 14013302), (92, 13708665), (93, 13561260), (115, 10966932), (124, 10170945), (138, 9139110), (155, 8136756), (180, 7006651), (186, 6780630), (207, 6092740), (230, 5483466), (276, 4569555), (279, 4520420), (310, 4068378), (317, 3978540), (345, 3655644), (372, 3390315), (414, 3046370), (460, 2741733), (465, 2712252), (558, 2260210), (620, 2034189), (634, 1989270), (690, 1827822), (713, 1768860), (828, 1523185), (930, 1356126), (951, 1326180), (961, 1312380), (1035, 1218548), (1116, 1130105), (1268, 994635), (1380, 913911), (1395, 904084), (1426, 884430), (1585, 795708), (1860, 678063), (1902, 663090), (1922, 656190), (2070, 609274), (2139, 589620), (2790, 452042), (2852, 442215), (2853, 442060), (2883, 437460), (3170, 397854), (3565, 353772), (3804, 331545), (3844, 328095), (4140, 304637), (4278, 294810), (4755, 265236), (4805, 262476), (5580, 226021), (5706, 221030), (5766, 218730), (6340, 198927), (6417, 196540), (7130, 176886), (7291, 172980), (8556, 147405), (8649, 145820), (9510, 132618), (9610, 131238), (9827, 128340), (10695, 117924), (11412, 110515), (11532, 109365), (12834, 98270), (14260, 88443), (14265, 88412), (14415, 87492), (14582, 86490), (17298, 72910), (19020, 66309), (19220, 65619), (19654, 64170), (21390, 58962), (21873, 57660), (22103, 57060), (25668, 49135), (28530, 44206), (28830, 43746), (29164, 43245), (29481, 42780), (32085, 39308), (34596, 36455)]