638772480

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 360

約数和(自身を含む): 2346115464

約数和(自身を除く): 1707342984

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, 61, 64, 72, 80, 81, 90, 96, 101, 108, 120, 122, 128, 135, 144, 160, 162, 180, 183, 192, 202, 216, 240, 244, 256, 270, 288, 303, 305, 320, 324, 360, 366, 384, 404, 405, 432, 480, 488, 505, 540, 549, 576, 606, 610, 640, 648, 720, 732, 768, 808, 810, 864, 909, 915, 960, 976, 1010, 1080, 1098, 1152, 1212, 1220, 1280, 1296, 1440, 1464, 1515, 1616, 1620, 1647, 1728, 1818, 1830, 1920, 1952, 2020, 2160, 2196, 2304, 2424, 2440, 2592, 2727, 2745, 2880, 2928, 3030, 3232, 3240, 3294, 3456, 3636, 3660, 3840, 3904, 4040, 4320, 4392, 4545, 4848, 4880, 4941, 5184, 5454, 5490, 5760, 5856, 6060, 6161, 6464, 6480, 6588, 6912, 7272, 7320, 7808, 8080, 8181, 8235, 8640, 8784, 9090, 9696, 9760, 9882, 10368, 10908, 10980, 11520, 11712, 12120, 12322, 12928, 12960, 13176, 13635, 14544, 14640, 15616, 16160, 16362, 16470, 17280, 17568, 18180, 18483, 19392, 19520, 19764, 20736, 21816, 21960, 23424, 24240, 24644, 24705, 25856, 25920, 26352, 27270, 29088, 29280, 30805, 32320, 32724, 32940, 34560, 35136, 36360, 36966, 38784, 39040, 39528, 40905, 43632, 43920, 46848, 48480, 49288, 49410, 51840, 52704, 54540, 55449, 58176, 58560, 61610, 64640, 65448, 65880, 70272, 72720, 73932, 77568, 78080, 79056, 81810, 87264, 87840, 92415, 96960, 98576, 98820, 103680, 105408, 109080, 110898, 116352, 117120, 123220, 129280, 130896, 131760, 140544, 145440, 147864, 158112, 163620, 166347, 174528, 175680, 184830, 193920, 197152, 197640, 210816, 218160, 221796, 232704, 234240, 246440, 261792, 263520, 277245, 290880, 295728, 316224, 327240, 332694, 349056, 351360, 369660, 387840, 394304, 395280, 421632, 436320, 443592, 492880, 499041, 523584, 527040, 554490, 581760, 591456, 632448, 654480, 665388, 698112, 702720, 739320, 788608, 790560, 831735, 872640, 887184, 985760, 998082, 1047168, 1054080, 1108980, 1163520, 1182912, 1264896, 1308960, 1330776, 1478640, 1577216, 1581120, 1663470, 1745280, 1774368, 1971520, 1996164, 2094336, 2108160, 2217960, 2365824, 2495205, 2617920, 2661552, 2957280, 3162240, 3326940, 3490560, 3548736, 3943040, 3992328, 4435920, 4731648, 4990410, 5235840, 5323104, 5914560, 6324480, 6653880, 7097472, 7886080, 7984656, 8871840, 9980820, 10471680, 10646208, 11829120, 13307760, 14194944, 15969312, 17743680, 19961640, 21292416, 23658240, 26615520, 31938624, 35487360, 39923280, 42584832, 53231040, 63877248, 70974720, 79846560, 106462080, 127754496, 159693120, 212924160, 319386240, 638772480]

約数ペア:

[(1, 638772480), (2, 319386240), (3, 212924160), (4, 159693120), (5, 127754496), (6, 106462080), (8, 79846560), (9, 70974720), (10, 63877248), (12, 53231040), (15, 42584832), (16, 39923280), (18, 35487360), (20, 31938624), (24, 26615520), (27, 23658240), (30, 21292416), (32, 19961640), (36, 17743680), (40, 15969312), (45, 14194944), (48, 13307760), (54, 11829120), (60, 10646208), (61, 10471680), (64, 9980820), (72, 8871840), (80, 7984656), (81, 7886080), (90, 7097472), (96, 6653880), (101, 6324480), (108, 5914560), (120, 5323104), (122, 5235840), (128, 4990410), (135, 4731648), (144, 4435920), (160, 3992328), (162, 3943040), (180, 3548736), (183, 3490560), (192, 3326940), (202, 3162240), (216, 2957280), (240, 2661552), (244, 2617920), (256, 2495205), (270, 2365824), (288, 2217960), (303, 2108160), (305, 2094336), (320, 1996164), (324, 1971520), (360, 1774368), (366, 1745280), (384, 1663470), (404, 1581120), (405, 1577216), (432, 1478640), (480, 1330776), (488, 1308960), (505, 1264896), (540, 1182912), (549, 1163520), (576, 1108980), (606, 1054080), (610, 1047168), (640, 998082), (648, 985760), (720, 887184), (732, 872640), (768, 831735), (808, 790560), (810, 788608), (864, 739320), (909, 702720), (915, 698112), (960, 665388), (976, 654480), (1010, 632448), (1080, 591456), (1098, 581760), (1152, 554490), (1212, 527040), (1220, 523584), (1280, 499041), (1296, 492880), (1440, 443592), (1464, 436320), (1515, 421632), (1616, 395280), (1620, 394304), (1647, 387840), (1728, 369660), (1818, 351360), (1830, 349056), (1920, 332694), (1952, 327240), (2020, 316224), (2160, 295728), (2196, 290880), (2304, 277245), (2424, 263520), (2440, 261792), (2592, 246440), (2727, 234240), (2745, 232704), (2880, 221796), (2928, 218160), (3030, 210816), (3232, 197640), (3240, 197152), (3294, 193920), (3456, 184830), (3636, 175680), (3660, 174528), (3840, 166347), (3904, 163620), (4040, 158112), (4320, 147864), (4392, 145440), (4545, 140544), (4848, 131760), (4880, 130896), (4941, 129280), (5184, 123220), (5454, 117120), (5490, 116352), (5760, 110898), (5856, 109080), (6060, 105408), (6161, 103680), (6464, 98820), (6480, 98576), (6588, 96960), (6912, 92415), (7272, 87840), (7320, 87264), (7808, 81810), (8080, 79056), (8181, 78080), (8235, 77568), (8640, 73932), (8784, 72720), (9090, 70272), (9696, 65880), (9760, 65448), (9882, 64640), (10368, 61610), (10908, 58560), (10980, 58176), (11520, 55449), (11712, 54540), (12120, 52704), (12322, 51840), (12928, 49410), (12960, 49288), (13176, 48480), (13635, 46848), (14544, 43920), (14640, 43632), (15616, 40905), (16160, 39528), (16362, 39040), (16470, 38784), (17280, 36966), (17568, 36360), (18180, 35136), (18483, 34560), (19392, 32940), (19520, 32724), (19764, 32320), (20736, 30805), (21816, 29280), (21960, 29088), (23424, 27270), (24240, 26352), (24644, 25920), (24705, 25856)]