64206720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 226268640

約数和(自身を除く): 162061920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 157, 160, 180, 192, 213, 240, 284, 288, 314, 320, 355, 360, 384, 426, 471, 480, 568, 576, 628, 639, 640, 710, 720, 785, 852, 942, 960, 1065, 1136, 1152, 1256, 1278, 1413, 1420, 1440, 1570, 1704, 1884, 1920, 2130, 2272, 2355, 2512, 2556, 2826, 2840, 2880, 3140, 3195, 3408, 3768, 4260, 4544, 4710, 5024, 5112, 5652, 5680, 5760, 6280, 6390, 6816, 7065, 7536, 8520, 9088, 9420, 10048, 10224, 11147, 11304, 11360, 12560, 12780, 13632, 14130, 15072, 17040, 18840, 20096, 20448, 22294, 22608, 22720, 25120, 25560, 27264, 28260, 30144, 33441, 34080, 37680, 40896, 44588, 45216, 45440, 50240, 51120, 55735, 56520, 60288, 66882, 68160, 75360, 81792, 89176, 90432, 100323, 100480, 102240, 111470, 113040, 133764, 136320, 150720, 167205, 178352, 180864, 200646, 204480, 222940, 226080, 267528, 301440, 334410, 356704, 401292, 408960, 445880, 452160, 501615, 535056, 668820, 713408, 802584, 891760, 904320, 1003230, 1070112, 1337640, 1426816, 1605168, 1783520, 2006460, 2140224, 2675280, 3210336, 3567040, 4012920, 4280448, 5350560, 6420672, 7134080, 8025840, 10701120, 12841344, 16051680, 21402240, 32103360, 64206720]

約数ペア:

[(1, 64206720), (2, 32103360), (3, 21402240), (4, 16051680), (5, 12841344), (6, 10701120), (8, 8025840), (9, 7134080), (10, 6420672), (12, 5350560), (15, 4280448), (16, 4012920), (18, 3567040), (20, 3210336), (24, 2675280), (30, 2140224), (32, 2006460), (36, 1783520), (40, 1605168), (45, 1426816), (48, 1337640), (60, 1070112), (64, 1003230), (71, 904320), (72, 891760), (80, 802584), (90, 713408), (96, 668820), (120, 535056), (128, 501615), (142, 452160), (144, 445880), (157, 408960), (160, 401292), (180, 356704), (192, 334410), (213, 301440), (240, 267528), (284, 226080), (288, 222940), (314, 204480), (320, 200646), (355, 180864), (360, 178352), (384, 167205), (426, 150720), (471, 136320), (480, 133764), (568, 113040), (576, 111470), (628, 102240), (639, 100480), (640, 100323), (710, 90432), (720, 89176), (785, 81792), (852, 75360), (942, 68160), (960, 66882), (1065, 60288), (1136, 56520), (1152, 55735), (1256, 51120), (1278, 50240), (1413, 45440), (1420, 45216), (1440, 44588), (1570, 40896), (1704, 37680), (1884, 34080), (1920, 33441), (2130, 30144), (2272, 28260), (2355, 27264), (2512, 25560), (2556, 25120), (2826, 22720), (2840, 22608), (2880, 22294), (3140, 20448), (3195, 20096), (3408, 18840), (3768, 17040), (4260, 15072), (4544, 14130), (4710, 13632), (5024, 12780), (5112, 12560), (5652, 11360), (5680, 11304), (5760, 11147), (6280, 10224), (6390, 10048), (6816, 9420), (7065, 9088), (7536, 8520)]