21962880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 256

約数和(自身を含む): 82252800

約数和(自身を除く): 60289920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 41, 45, 48, 54, 60, 62, 64, 72, 80, 82, 90, 93, 96, 108, 120, 123, 124, 128, 135, 144, 155, 160, 164, 180, 186, 192, 205, 216, 240, 246, 248, 270, 279, 288, 310, 320, 328, 360, 369, 372, 384, 410, 432, 465, 480, 492, 496, 540, 558, 576, 615, 620, 640, 656, 720, 738, 744, 820, 837, 864, 930, 960, 984, 992, 1080, 1107, 1116, 1152, 1230, 1240, 1271, 1312, 1395, 1440, 1476, 1488, 1640, 1674, 1728, 1845, 1860, 1920, 1968, 1984, 2160, 2214, 2232, 2460, 2480, 2542, 2624, 2790, 2880, 2952, 2976, 3280, 3348, 3456, 3690, 3720, 3813, 3936, 3968, 4185, 4320, 4428, 4464, 4920, 4960, 5084, 5248, 5535, 5580, 5760, 5904, 5952, 6355, 6560, 6696, 7380, 7440, 7626, 7872, 8370, 8640, 8856, 8928, 9840, 9920, 10168, 11070, 11160, 11439, 11808, 11904, 12710, 13120, 13392, 14760, 14880, 15252, 15744, 16740, 17280, 17712, 17856, 19065, 19680, 19840, 20336, 22140, 22320, 22878, 23616, 25420, 26240, 26784, 29520, 29760, 30504, 33480, 34317, 35424, 35712, 38130, 39360, 40672, 44280, 44640, 45756, 47232, 50840, 53568, 57195, 59040, 59520, 61008, 66960, 68634, 70848, 76260, 78720, 81344, 88560, 89280, 91512, 101680, 107136, 114390, 118080, 122016, 133920, 137268, 141696, 152520, 162688, 171585, 177120, 178560, 183024, 203360, 228780, 236160, 244032, 267840, 274536, 305040, 343170, 354240, 366048, 406720, 457560, 488064, 535680, 549072, 610080, 686340, 708480, 732096, 813440, 915120, 1098144, 1220160, 1372680, 1464192, 1830240, 2196288, 2440320, 2745360, 3660480, 4392576, 5490720, 7320960, 10981440, 21962880]

約数ペア:

[(1, 21962880), (2, 10981440), (3, 7320960), (4, 5490720), (5, 4392576), (6, 3660480), (8, 2745360), (9, 2440320), (10, 2196288), (12, 1830240), (15, 1464192), (16, 1372680), (18, 1220160), (20, 1098144), (24, 915120), (27, 813440), (30, 732096), (31, 708480), (32, 686340), (36, 610080), (40, 549072), (41, 535680), (45, 488064), (48, 457560), (54, 406720), (60, 366048), (62, 354240), (64, 343170), (72, 305040), (80, 274536), (82, 267840), (90, 244032), (93, 236160), (96, 228780), (108, 203360), (120, 183024), (123, 178560), (124, 177120), (128, 171585), (135, 162688), (144, 152520), (155, 141696), (160, 137268), (164, 133920), (180, 122016), (186, 118080), (192, 114390), (205, 107136), (216, 101680), (240, 91512), (246, 89280), (248, 88560), (270, 81344), (279, 78720), (288, 76260), (310, 70848), (320, 68634), (328, 66960), (360, 61008), (369, 59520), (372, 59040), (384, 57195), (410, 53568), (432, 50840), (465, 47232), (480, 45756), (492, 44640), (496, 44280), (540, 40672), (558, 39360), (576, 38130), (615, 35712), (620, 35424), (640, 34317), (656, 33480), (720, 30504), (738, 29760), (744, 29520), (820, 26784), (837, 26240), (864, 25420), (930, 23616), (960, 22878), (984, 22320), (992, 22140), (1080, 20336), (1107, 19840), (1116, 19680), (1152, 19065), (1230, 17856), (1240, 17712), (1271, 17280), (1312, 16740), (1395, 15744), (1440, 15252), (1476, 14880), (1488, 14760), (1640, 13392), (1674, 13120), (1728, 12710), (1845, 11904), (1860, 11808), (1920, 11439), (1968, 11160), (1984, 11070), (2160, 10168), (2214, 9920), (2232, 9840), (2460, 8928), (2480, 8856), (2542, 8640), (2624, 8370), (2790, 7872), (2880, 7626), (2952, 7440), (2976, 7380), (3280, 6696), (3348, 6560), (3456, 6355), (3690, 5952), (3720, 5904), (3813, 5760), (3936, 5580), (3968, 5535), (4185, 5248), (4320, 5084), (4428, 4960), (4464, 4920)]