12980880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1$

素因数の和:190

約数の個数: 180

約数和(自身を含む): 48239100

約数和(自身を除く): 35258220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 149, 165, 176, 180, 198, 220, 240, 242, 264, 298, 330, 360, 363, 396, 440, 447, 484, 495, 528, 596, 605, 660, 720, 726, 745, 792, 880, 894, 968, 990, 1089, 1192, 1210, 1320, 1341, 1452, 1490, 1584, 1639, 1788, 1815, 1936, 1980, 2178, 2235, 2384, 2420, 2640, 2682, 2904, 2980, 3278, 3576, 3630, 3960, 4356, 4470, 4840, 4917, 5364, 5445, 5808, 5960, 6556, 6705, 7152, 7260, 7920, 8195, 8712, 8940, 9680, 9834, 10728, 10890, 11920, 13112, 13410, 14520, 14751, 16390, 17424, 17880, 18029, 19668, 21456, 21780, 24585, 26224, 26820, 29040, 29502, 32780, 35760, 36058, 39336, 43560, 49170, 53640, 54087, 59004, 65560, 72116, 73755, 78672, 87120, 90145, 98340, 107280, 108174, 118008, 131120, 144232, 147510, 162261, 180290, 196680, 216348, 236016, 270435, 288464, 295020, 324522, 360580, 393360, 432696, 540870, 590040, 649044, 721160, 811305, 865392, 1081740, 1180080, 1298088, 1442320, 1622610, 2163480, 2596176, 3245220, 4326960, 6490440, 12980880]

約数ペア:

[(1, 12980880), (2, 6490440), (3, 4326960), (4, 3245220), (5, 2596176), (6, 2163480), (8, 1622610), (9, 1442320), (10, 1298088), (11, 1180080), (12, 1081740), (15, 865392), (16, 811305), (18, 721160), (20, 649044), (22, 590040), (24, 540870), (30, 432696), (33, 393360), (36, 360580), (40, 324522), (44, 295020), (45, 288464), (48, 270435), (55, 236016), (60, 216348), (66, 196680), (72, 180290), (80, 162261), (88, 147510), (90, 144232), (99, 131120), (110, 118008), (120, 108174), (121, 107280), (132, 98340), (144, 90145), (149, 87120), (165, 78672), (176, 73755), (180, 72116), (198, 65560), (220, 59004), (240, 54087), (242, 53640), (264, 49170), (298, 43560), (330, 39336), (360, 36058), (363, 35760), (396, 32780), (440, 29502), (447, 29040), (484, 26820), (495, 26224), (528, 24585), (596, 21780), (605, 21456), (660, 19668), (720, 18029), (726, 17880), (745, 17424), (792, 16390), (880, 14751), (894, 14520), (968, 13410), (990, 13112), (1089, 11920), (1192, 10890), (1210, 10728), (1320, 9834), (1341, 9680), (1452, 8940), (1490, 8712), (1584, 8195), (1639, 7920), (1788, 7260), (1815, 7152), (1936, 6705), (1980, 6556), (2178, 5960), (2235, 5808), (2384, 5445), (2420, 5364), (2640, 4917), (2682, 4840), (2904, 4470), (2980, 4356), (3278, 3960), (3576, 3630)]