25980480

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 224

約数和(自身を含む): 95585280

約数和(自身を除く): 69604800

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, 64, 72, 80, 90, 93, 96, 97, 108, 120, 124, 135, 144, 155, 160, 180, 186, 192, 194, 216, 240, 248, 270, 279, 288, 291, 310, 320, 360, 372, 388, 432, 465, 480, 485, 496, 540, 558, 576, 582, 620, 720, 744, 776, 837, 864, 873, 930, 960, 970, 992, 1080, 1116, 1164, 1240, 1395, 1440, 1455, 1488, 1552, 1674, 1728, 1746, 1860, 1940, 1984, 2160, 2232, 2328, 2480, 2619, 2790, 2880, 2910, 2976, 3007, 3104, 3348, 3492, 3720, 3880, 4185, 4320, 4365, 4464, 4656, 4960, 5238, 5580, 5820, 5952, 6014, 6208, 6696, 6984, 7440, 7760, 8370, 8640, 8730, 8928, 9021, 9312, 9920, 10476, 11160, 11640, 12028, 13095, 13392, 13968, 14880, 15035, 15520, 16740, 17460, 17856, 18042, 18624, 20952, 22320, 23280, 24056, 26190, 26784, 27063, 27936, 29760, 30070, 31040, 33480, 34920, 36084, 41904, 44640, 45105, 46560, 48112, 52380, 53568, 54126, 55872, 60140, 66960, 69840, 72168, 81189, 83808, 89280, 90210, 93120, 96224, 104760, 108252, 120280, 133920, 135315, 139680, 144336, 162378, 167616, 180420, 192448, 209520, 216504, 240560, 267840, 270630, 279360, 288672, 324756, 360840, 405945, 419040, 433008, 481120, 541260, 577344, 649512, 721680, 811890, 838080, 866016, 962240, 1082520, 1299024, 1443360, 1623780, 1732032, 2165040, 2598048, 2886720, 3247560, 4330080, 5196096, 6495120, 8660160, 12990240, 25980480]

約数ペア:

[(1, 25980480), (2, 12990240), (3, 8660160), (4, 6495120), (5, 5196096), (6, 4330080), (8, 3247560), (9, 2886720), (10, 2598048), (12, 2165040), (15, 1732032), (16, 1623780), (18, 1443360), (20, 1299024), (24, 1082520), (27, 962240), (30, 866016), (31, 838080), (32, 811890), (36, 721680), (40, 649512), (45, 577344), (48, 541260), (54, 481120), (60, 433008), (62, 419040), (64, 405945), (72, 360840), (80, 324756), (90, 288672), (93, 279360), (96, 270630), (97, 267840), (108, 240560), (120, 216504), (124, 209520), (135, 192448), (144, 180420), (155, 167616), (160, 162378), (180, 144336), (186, 139680), (192, 135315), (194, 133920), (216, 120280), (240, 108252), (248, 104760), (270, 96224), (279, 93120), (288, 90210), (291, 89280), (310, 83808), (320, 81189), (360, 72168), (372, 69840), (388, 66960), (432, 60140), (465, 55872), (480, 54126), (485, 53568), (496, 52380), (540, 48112), (558, 46560), (576, 45105), (582, 44640), (620, 41904), (720, 36084), (744, 34920), (776, 33480), (837, 31040), (864, 30070), (873, 29760), (930, 27936), (960, 27063), (970, 26784), (992, 26190), (1080, 24056), (1116, 23280), (1164, 22320), (1240, 20952), (1395, 18624), (1440, 18042), (1455, 17856), (1488, 17460), (1552, 16740), (1674, 15520), (1728, 15035), (1746, 14880), (1860, 13968), (1940, 13392), (1984, 13095), (2160, 12028), (2232, 11640), (2328, 11160), (2480, 10476), (2619, 9920), (2790, 9312), (2880, 9021), (2910, 8928), (2976, 8730), (3007, 8640), (3104, 8370), (3348, 7760), (3492, 7440), (3720, 6984), (3880, 6696), (4185, 6208), (4320, 6014), (4365, 5952), (4464, 5820), (4656, 5580), (4960, 5238)]