1971414720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20743}}^1$

素因数の和:20780

約数の個数: 224

約数和(自身を含む): 7587325440

約数和(自身を除く): 5615910720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 396, 432, 440, 480, 495, 528, 540, 576, 594, 660, 704, 720, 792, 864, 880, 960, 990, 1056, 1080, 1188, 1320, 1440, 1485, 1584, 1728, 1760, 1980, 2112, 2160, 2376, 2640, 2880, 2970, 3168, 3520, 3960, 4320, 4752, 5280, 5940, 6336, 7920, 8640, 9504, 10560, 11880, 15840, 19008, 20743, 23760, 31680, 41486, 47520, 62229, 82972, 95040, 103715, 124458, 165944, 186687, 207430, 228173, 248916, 311145, 331888, 373374, 414860, 456346, 497832, 560061, 622290, 663776, 684519, 746748, 829720, 912692, 933435, 995664, 1120122, 1140865, 1244580, 1327552, 1369038, 1493496, 1659440, 1825384, 1866870, 1991328, 2053557, 2240244, 2281730, 2489160, 2738076, 2800305, 2986992, 3318880, 3422595, 3650768, 3733740, 3982656, 4107114, 4480488, 4563460, 4978320, 5476152, 5600610, 5973984, 6160671, 6637760, 6845190, 7301536, 7467480, 8214228, 8960976, 9126920, 9956640, 10267785, 10952304, 11201220, 11947968, 12321342, 13690380, 14603072, 14934960, 16428456, 17921952, 18253840, 19913280, 20535570, 21904608, 22402440, 24642684, 27380760, 29869920, 30803355, 32856912, 35843904, 36507680, 41071140, 43809216, 44804880, 49285368, 54761520, 59739840, 61606710, 65713824, 73015360, 82142280, 89609760, 98570736, 109523040, 123213420, 131427648, 164284560, 179219520, 197141472, 219046080, 246426840, 328569120, 394282944, 492853680, 657138240, 985707360, 1971414720]

約数ペア:

[(1, 1971414720), (2, 985707360), (3, 657138240), (4, 492853680), (5, 394282944), (6, 328569120), (8, 246426840), (9, 219046080), (10, 197141472), (11, 179219520), (12, 164284560), (15, 131427648), (16, 123213420), (18, 109523040), (20, 98570736), (22, 89609760), (24, 82142280), (27, 73015360), (30, 65713824), (32, 61606710), (33, 59739840), (36, 54761520), (40, 49285368), (44, 44804880), (45, 43809216), (48, 41071140), (54, 36507680), (55, 35843904), (60, 32856912), (64, 30803355), (66, 29869920), (72, 27380760), (80, 24642684), (88, 22402440), (90, 21904608), (96, 20535570), (99, 19913280), (108, 18253840), (110, 17921952), (120, 16428456), (132, 14934960), (135, 14603072), (144, 13690380), (160, 12321342), (165, 11947968), (176, 11201220), (180, 10952304), (192, 10267785), (198, 9956640), (216, 9126920), (220, 8960976), (240, 8214228), (264, 7467480), (270, 7301536), (288, 6845190), (297, 6637760), (320, 6160671), (330, 5973984), (352, 5600610), (360, 5476152), (396, 4978320), (432, 4563460), (440, 4480488), (480, 4107114), (495, 3982656), (528, 3733740), (540, 3650768), (576, 3422595), (594, 3318880), (660, 2986992), (704, 2800305), (720, 2738076), (792, 2489160), (864, 2281730), (880, 2240244), (960, 2053557), (990, 1991328), (1056, 1866870), (1080, 1825384), (1188, 1659440), (1320, 1493496), (1440, 1369038), (1485, 1327552), (1584, 1244580), (1728, 1140865), (1760, 1120122), (1980, 995664), (2112, 933435), (2160, 912692), (2376, 829720), (2640, 746748), (2880, 684519), (2970, 663776), (3168, 622290), (3520, 560061), (3960, 497832), (4320, 456346), (4752, 414860), (5280, 373374), (5940, 331888), (6336, 311145), (7920, 248916), (8640, 228173), (9504, 207430), (10560, 186687), (11880, 165944), (15840, 124458), (19008, 103715), (20743, 95040), (23760, 82972), (31680, 62229), (41486, 47520)]