38970720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 240

約数和(自身を含む): 143434368

約数和(自身を除く): 104463648

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, 81, 90, 93, 96, 97, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 194, 216, 240, 248, 270, 279, 288, 291, 310, 324, 360, 372, 388, 405, 432, 465, 480, 485, 496, 540, 558, 582, 620, 648, 720, 744, 776, 810, 837, 864, 873, 930, 970, 992, 1080, 1116, 1164, 1240, 1296, 1395, 1440, 1455, 1488, 1552, 1620, 1674, 1746, 1860, 1940, 2160, 2232, 2328, 2480, 2511, 2592, 2619, 2790, 2910, 2976, 3007, 3104, 3240, 3348, 3492, 3720, 3880, 4185, 4320, 4365, 4464, 4656, 4960, 5022, 5238, 5580, 5820, 6014, 6480, 6696, 6984, 7440, 7760, 7857, 8370, 8730, 8928, 9021, 9312, 10044, 10476, 11160, 11640, 12028, 12555, 12960, 13095, 13392, 13968, 14880, 15035, 15520, 15714, 16740, 17460, 18042, 20088, 20952, 22320, 23280, 24056, 25110, 26190, 26784, 27063, 27936, 30070, 31428, 33480, 34920, 36084, 39285, 40176, 41904, 44640, 45105, 46560, 48112, 50220, 52380, 54126, 60140, 62856, 66960, 69840, 72168, 78570, 80352, 81189, 83808, 90210, 96224, 100440, 104760, 108252, 120280, 125712, 133920, 135315, 139680, 144336, 157140, 162378, 180420, 200880, 209520, 216504, 240560, 243567, 251424, 270630, 288672, 314280, 324756, 360840, 401760, 405945, 419040, 433008, 481120, 487134, 541260, 628560, 649512, 721680, 811890, 866016, 974268, 1082520, 1217835, 1257120, 1299024, 1443360, 1623780, 1948536, 2165040, 2435670, 2598048, 3247560, 3897072, 4330080, 4871340, 6495120, 7794144, 9742680, 12990240, 19485360, 38970720]

約数ペア:

[(1, 38970720), (2, 19485360), (3, 12990240), (4, 9742680), (5, 7794144), (6, 6495120), (8, 4871340), (9, 4330080), (10, 3897072), (12, 3247560), (15, 2598048), (16, 2435670), (18, 2165040), (20, 1948536), (24, 1623780), (27, 1443360), (30, 1299024), (31, 1257120), (32, 1217835), (36, 1082520), (40, 974268), (45, 866016), (48, 811890), (54, 721680), (60, 649512), (62, 628560), (72, 541260), (80, 487134), (81, 481120), (90, 433008), (93, 419040), (96, 405945), (97, 401760), (108, 360840), (120, 324756), (124, 314280), (135, 288672), (144, 270630), (155, 251424), (160, 243567), (162, 240560), (180, 216504), (186, 209520), (194, 200880), (216, 180420), (240, 162378), (248, 157140), (270, 144336), (279, 139680), (288, 135315), (291, 133920), (310, 125712), (324, 120280), (360, 108252), (372, 104760), (388, 100440), (405, 96224), (432, 90210), (465, 83808), (480, 81189), (485, 80352), (496, 78570), (540, 72168), (558, 69840), (582, 66960), (620, 62856), (648, 60140), (720, 54126), (744, 52380), (776, 50220), (810, 48112), (837, 46560), (864, 45105), (873, 44640), (930, 41904), (970, 40176), (992, 39285), (1080, 36084), (1116, 34920), (1164, 33480), (1240, 31428), (1296, 30070), (1395, 27936), (1440, 27063), (1455, 26784), (1488, 26190), (1552, 25110), (1620, 24056), (1674, 23280), (1746, 22320), (1860, 20952), (1940, 20088), (2160, 18042), (2232, 17460), (2328, 16740), (2480, 15714), (2511, 15520), (2592, 15035), (2619, 14880), (2790, 13968), (2910, 13392), (2976, 13095), (3007, 12960), (3104, 12555), (3240, 12028), (3348, 11640), (3492, 11160), (3720, 10476), (3880, 10044), (4185, 9312), (4320, 9021), (4365, 8928), (4464, 8730), (4656, 8370), (4960, 7857), (5022, 7760), (5238, 7440), (5580, 6984), (5820, 6696), (6014, 6480)]