64397760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^2$

素因数の和:108

約数の個数: 252

約数和(自身を含む): 244446552

約数和(自身を除く): 180048792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 49, 56, 60, 64, 70, 74, 80, 84, 96, 98, 105, 111, 112, 120, 140, 147, 148, 160, 168, 185, 192, 196, 210, 222, 224, 240, 245, 259, 280, 294, 296, 320, 336, 370, 392, 420, 444, 448, 480, 490, 518, 555, 560, 588, 592, 672, 735, 740, 777, 784, 840, 888, 960, 980, 1036, 1110, 1120, 1176, 1184, 1295, 1344, 1369, 1470, 1480, 1554, 1568, 1680, 1776, 1813, 1960, 2072, 2220, 2240, 2352, 2368, 2590, 2738, 2940, 2960, 3108, 3136, 3360, 3552, 3626, 3885, 3920, 4107, 4144, 4440, 4704, 5180, 5439, 5476, 5880, 5920, 6216, 6720, 6845, 7104, 7252, 7770, 7840, 8214, 8288, 8880, 9065, 9408, 9583, 10360, 10878, 10952, 11760, 11840, 12432, 13690, 14504, 15540, 15680, 16428, 16576, 17760, 18130, 19166, 20535, 20720, 21756, 21904, 23520, 24864, 27195, 27380, 28749, 29008, 31080, 32856, 35520, 36260, 38332, 41070, 41440, 43512, 43808, 47040, 47915, 49728, 54390, 54760, 57498, 58016, 62160, 65712, 67081, 72520, 76664, 82140, 82880, 87024, 87616, 95830, 108780, 109520, 114996, 116032, 124320, 131424, 134162, 143745, 145040, 153328, 164280, 174048, 191660, 201243, 217560, 219040, 229992, 248640, 262848, 268324, 287490, 290080, 306656, 328560, 335405, 348096, 383320, 402486, 435120, 438080, 459984, 536648, 574980, 580160, 613312, 657120, 670810, 766640, 804972, 870240, 919968, 1006215, 1073296, 1149960, 1314240, 1341620, 1533280, 1609944, 1740480, 1839936, 2012430, 2146592, 2299920, 2683240, 3066560, 3219888, 4024860, 4293184, 4599840, 5366480, 6439776, 8049720, 9199680, 10732960, 12879552, 16099440, 21465920, 32198880, 64397760]

約数ペア:

[(1, 64397760), (2, 32198880), (3, 21465920), (4, 16099440), (5, 12879552), (6, 10732960), (7, 9199680), (8, 8049720), (10, 6439776), (12, 5366480), (14, 4599840), (15, 4293184), (16, 4024860), (20, 3219888), (21, 3066560), (24, 2683240), (28, 2299920), (30, 2146592), (32, 2012430), (35, 1839936), (37, 1740480), (40, 1609944), (42, 1533280), (48, 1341620), (49, 1314240), (56, 1149960), (60, 1073296), (64, 1006215), (70, 919968), (74, 870240), (80, 804972), (84, 766640), (96, 670810), (98, 657120), (105, 613312), (111, 580160), (112, 574980), (120, 536648), (140, 459984), (147, 438080), (148, 435120), (160, 402486), (168, 383320), (185, 348096), (192, 335405), (196, 328560), (210, 306656), (222, 290080), (224, 287490), (240, 268324), (245, 262848), (259, 248640), (280, 229992), (294, 219040), (296, 217560), (320, 201243), (336, 191660), (370, 174048), (392, 164280), (420, 153328), (444, 145040), (448, 143745), (480, 134162), (490, 131424), (518, 124320), (555, 116032), (560, 114996), (588, 109520), (592, 108780), (672, 95830), (735, 87616), (740, 87024), (777, 82880), (784, 82140), (840, 76664), (888, 72520), (960, 67081), (980, 65712), (1036, 62160), (1110, 58016), (1120, 57498), (1176, 54760), (1184, 54390), (1295, 49728), (1344, 47915), (1369, 47040), (1470, 43808), (1480, 43512), (1554, 41440), (1568, 41070), (1680, 38332), (1776, 36260), (1813, 35520), (1960, 32856), (2072, 31080), (2220, 29008), (2240, 28749), (2352, 27380), (2368, 27195), (2590, 24864), (2738, 23520), (2940, 21904), (2960, 21756), (3108, 20720), (3136, 20535), (3360, 19166), (3552, 18130), (3626, 17760), (3885, 16576), (3920, 16428), (4107, 15680), (4144, 15540), (4440, 14504), (4704, 13690), (5180, 12432), (5439, 11840), (5476, 11760), (5880, 10952), (5920, 10878), (6216, 10360), (6720, 9583), (6845, 9408), (7104, 9065), (7252, 8880), (7770, 8288), (7840, 8214)]