204560640

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{1973}}^1$

素因数の和:2006

約数の個数: 180

約数和(自身を含む): 732326364

約数和(自身を除く): 527765724

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 1973, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 3946, 4320, 5184, 5760, 5919, 6480, 6912, 7892, 8640, 9865, 10368, 11520, 11838, 12960, 15784, 17280, 17757, 19730, 20736, 23676, 25920, 29595, 31568, 34560, 35514, 39460, 47352, 51840, 53271, 59190, 63136, 71028, 78920, 88785, 94704, 103680, 106542, 118380, 126272, 142056, 157840, 159813, 177570, 189408, 213084, 236760, 252544, 266355, 284112, 315680, 319626, 355140, 378816, 426168, 473520, 505088, 532710, 568224, 631360, 639252, 710280, 757632, 799065, 852336, 947040, 1065420, 1136448, 1262720, 1278504, 1420560, 1515264, 1598130, 1704672, 1894080, 2130840, 2272896, 2525440, 2557008, 2841120, 3196260, 3409344, 3788160, 4261680, 4545792, 5114016, 5682240, 6392520, 6818688, 7576320, 8523360, 10228032, 11364480, 12785040, 13637376, 17046720, 20456064, 22728960, 25570080, 34093440, 40912128, 51140160, 68186880, 102280320, 204560640]

約数ペア:

[(1, 204560640), (2, 102280320), (3, 68186880), (4, 51140160), (5, 40912128), (6, 34093440), (8, 25570080), (9, 22728960), (10, 20456064), (12, 17046720), (15, 13637376), (16, 12785040), (18, 11364480), (20, 10228032), (24, 8523360), (27, 7576320), (30, 6818688), (32, 6392520), (36, 5682240), (40, 5114016), (45, 4545792), (48, 4261680), (54, 3788160), (60, 3409344), (64, 3196260), (72, 2841120), (80, 2557008), (81, 2525440), (90, 2272896), (96, 2130840), (108, 1894080), (120, 1704672), (128, 1598130), (135, 1515264), (144, 1420560), (160, 1278504), (162, 1262720), (180, 1136448), (192, 1065420), (216, 947040), (240, 852336), (256, 799065), (270, 757632), (288, 710280), (320, 639252), (324, 631360), (360, 568224), (384, 532710), (405, 505088), (432, 473520), (480, 426168), (540, 378816), (576, 355140), (640, 319626), (648, 315680), (720, 284112), (768, 266355), (810, 252544), (864, 236760), (960, 213084), (1080, 189408), (1152, 177570), (1280, 159813), (1296, 157840), (1440, 142056), (1620, 126272), (1728, 118380), (1920, 106542), (1973, 103680), (2160, 94704), (2304, 88785), (2592, 78920), (2880, 71028), (3240, 63136), (3456, 59190), (3840, 53271), (3946, 51840), (4320, 47352), (5184, 39460), (5760, 35514), (5919, 34560), (6480, 31568), (6912, 29595), (7892, 25920), (8640, 23676), (9865, 20736), (10368, 19730), (11520, 17757), (11838, 17280), (12960, 15784)]