81146880

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{587}}^1$

素因数の和:621

約数の個数: 176

約数和(自身を含む): 288872640

約数和(自身を除く): 207725760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 587, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1174, 1280, 1440, 1536, 1728, 1761, 1920, 2160, 2304, 2348, 2560, 2880, 2935, 3072, 3456, 3522, 3840, 4320, 4608, 4696, 5120, 5283, 5760, 5870, 6912, 7044, 7680, 8640, 8805, 9216, 9392, 10566, 11520, 11740, 13824, 14088, 15360, 15849, 17280, 17610, 18784, 21132, 23040, 23480, 26415, 27648, 28176, 31698, 34560, 35220, 37568, 42264, 46080, 46960, 52830, 56352, 63396, 69120, 70440, 75136, 79245, 84528, 93920, 105660, 112704, 126792, 138240, 140880, 150272, 158490, 169056, 187840, 211320, 225408, 253584, 281760, 300544, 316980, 338112, 375680, 422640, 450816, 507168, 563520, 601088, 633960, 676224, 751360, 845280, 901632, 1014336, 1127040, 1267920, 1352448, 1502720, 1690560, 1803264, 2028672, 2254080, 2535840, 2704896, 3005440, 3381120, 4057344, 4508160, 5071680, 5409792, 6762240, 8114688, 9016320, 10143360, 13524480, 16229376, 20286720, 27048960, 40573440, 81146880]

約数ペア:

[(1, 81146880), (2, 40573440), (3, 27048960), (4, 20286720), (5, 16229376), (6, 13524480), (8, 10143360), (9, 9016320), (10, 8114688), (12, 6762240), (15, 5409792), (16, 5071680), (18, 4508160), (20, 4057344), (24, 3381120), (27, 3005440), (30, 2704896), (32, 2535840), (36, 2254080), (40, 2028672), (45, 1803264), (48, 1690560), (54, 1502720), (60, 1352448), (64, 1267920), (72, 1127040), (80, 1014336), (90, 901632), (96, 845280), (108, 751360), (120, 676224), (128, 633960), (135, 601088), (144, 563520), (160, 507168), (180, 450816), (192, 422640), (216, 375680), (240, 338112), (256, 316980), (270, 300544), (288, 281760), (320, 253584), (360, 225408), (384, 211320), (432, 187840), (480, 169056), (512, 158490), (540, 150272), (576, 140880), (587, 138240), (640, 126792), (720, 112704), (768, 105660), (864, 93920), (960, 84528), (1024, 79245), (1080, 75136), (1152, 70440), (1174, 69120), (1280, 63396), (1440, 56352), (1536, 52830), (1728, 46960), (1761, 46080), (1920, 42264), (2160, 37568), (2304, 35220), (2348, 34560), (2560, 31698), (2880, 28176), (2935, 27648), (3072, 26415), (3456, 23480), (3522, 23040), (3840, 21132), (4320, 18784), (4608, 17610), (4696, 17280), (5120, 15849), (5283, 15360), (5760, 14088), (5870, 13824), (6912, 11740), (7044, 11520), (7680, 10566), (8640, 9392), (8805, 9216)]