12990240

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 47416320

約数和(自身を除く): 34426080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 96, 97, 108, 120, 124, 135, 144, 155, 160, 180, 186, 194, 216, 240, 248, 270, 279, 288, 291, 310, 360, 372, 388, 432, 465, 480, 485, 496, 540, 558, 582, 620, 720, 744, 776, 837, 864, 873, 930, 970, 992, 1080, 1116, 1164, 1240, 1395, 1440, 1455, 1488, 1552, 1674, 1746, 1860, 1940, 2160, 2232, 2328, 2480, 2619, 2790, 2910, 2976, 3007, 3104, 3348, 3492, 3720, 3880, 4185, 4320, 4365, 4464, 4656, 4960, 5238, 5580, 5820, 6014, 6696, 6984, 7440, 7760, 8370, 8730, 8928, 9021, 9312, 10476, 11160, 11640, 12028, 13095, 13392, 13968, 14880, 15035, 15520, 16740, 17460, 18042, 20952, 22320, 23280, 24056, 26190, 26784, 27063, 27936, 30070, 33480, 34920, 36084, 41904, 44640, 45105, 46560, 48112, 52380, 54126, 60140, 66960, 69840, 72168, 81189, 83808, 90210, 96224, 104760, 108252, 120280, 133920, 135315, 139680, 144336, 162378, 180420, 209520, 216504, 240560, 270630, 288672, 324756, 360840, 405945, 419040, 433008, 481120, 541260, 649512, 721680, 811890, 866016, 1082520, 1299024, 1443360, 1623780, 2165040, 2598048, 3247560, 4330080, 6495120, 12990240]

約数ペア:

[(1, 12990240), (2, 6495120), (3, 4330080), (4, 3247560), (5, 2598048), (6, 2165040), (8, 1623780), (9, 1443360), (10, 1299024), (12, 1082520), (15, 866016), (16, 811890), (18, 721680), (20, 649512), (24, 541260), (27, 481120), (30, 433008), (31, 419040), (32, 405945), (36, 360840), (40, 324756), (45, 288672), (48, 270630), (54, 240560), (60, 216504), (62, 209520), (72, 180420), (80, 162378), (90, 144336), (93, 139680), (96, 135315), (97, 133920), (108, 120280), (120, 108252), (124, 104760), (135, 96224), (144, 90210), (155, 83808), (160, 81189), (180, 72168), (186, 69840), (194, 66960), (216, 60140), (240, 54126), (248, 52380), (270, 48112), (279, 46560), (288, 45105), (291, 44640), (310, 41904), (360, 36084), (372, 34920), (388, 33480), (432, 30070), (465, 27936), (480, 27063), (485, 26784), (496, 26190), (540, 24056), (558, 23280), (582, 22320), (620, 20952), (720, 18042), (744, 17460), (776, 16740), (837, 15520), (864, 15035), (873, 14880), (930, 13968), (970, 13392), (992, 13095), (1080, 12028), (1116, 11640), (1164, 11160), (1240, 10476), (1395, 9312), (1440, 9021), (1455, 8928), (1488, 8730), (1552, 8370), (1674, 7760), (1746, 7440), (1860, 6984), (1940, 6696), (2160, 6014), (2232, 5820), (2328, 5580), (2480, 5238), (2619, 4960), (2790, 4656), (2910, 4464), (2976, 4365), (3007, 4320), (3104, 4185), (3348, 3880), (3492, 3720)]