64644720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 240

約数和(自身を含む): 244270080

約数和(自身を除く): 179625360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 98, 105, 112, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 239, 240, 245, 276, 280, 294, 322, 336, 345, 368, 392, 420, 460, 478, 483, 490, 552, 560, 588, 644, 690, 717, 735, 784, 805, 840, 920, 956, 966, 980, 1104, 1127, 1176, 1195, 1288, 1380, 1434, 1470, 1610, 1673, 1680, 1840, 1912, 1932, 1960, 2254, 2352, 2390, 2415, 2576, 2760, 2868, 2940, 3220, 3346, 3381, 3585, 3824, 3864, 3920, 4508, 4780, 4830, 5019, 5497, 5520, 5635, 5736, 5880, 6440, 6692, 6762, 7170, 7728, 8365, 9016, 9560, 9660, 10038, 10994, 11270, 11472, 11711, 11760, 12880, 13384, 13524, 14340, 16491, 16730, 16905, 18032, 19120, 19320, 20076, 21988, 22540, 23422, 25095, 26768, 27048, 27485, 28680, 32982, 33460, 33810, 35133, 38479, 38640, 40152, 43976, 45080, 46844, 50190, 54096, 54970, 57360, 58555, 65964, 66920, 67620, 70266, 76958, 80304, 82455, 87952, 90160, 93688, 100380, 109940, 115437, 117110, 131928, 133840, 135240, 140532, 153916, 164910, 175665, 187376, 192395, 200760, 219880, 230874, 234220, 263856, 269353, 270480, 281064, 307832, 329820, 351330, 384790, 401520, 439760, 461748, 468440, 538706, 562128, 577185, 615664, 659640, 702660, 769580, 808059, 923496, 936880, 1077412, 1154370, 1319280, 1346765, 1405320, 1539160, 1616118, 1846992, 2154824, 2308740, 2693530, 2810640, 3078320, 3232236, 4040295, 4309648, 4617480, 5387060, 6464472, 8080590, 9234960, 10774120, 12928944, 16161180, 21548240, 32322360, 64644720]

約数ペア:

[(1, 64644720), (2, 32322360), (3, 21548240), (4, 16161180), (5, 12928944), (6, 10774120), (7, 9234960), (8, 8080590), (10, 6464472), (12, 5387060), (14, 4617480), (15, 4309648), (16, 4040295), (20, 3232236), (21, 3078320), (23, 2810640), (24, 2693530), (28, 2308740), (30, 2154824), (35, 1846992), (40, 1616118), (42, 1539160), (46, 1405320), (48, 1346765), (49, 1319280), (56, 1154370), (60, 1077412), (69, 936880), (70, 923496), (80, 808059), (84, 769580), (92, 702660), (98, 659640), (105, 615664), (112, 577185), (115, 562128), (120, 538706), (138, 468440), (140, 461748), (147, 439760), (161, 401520), (168, 384790), (184, 351330), (196, 329820), (210, 307832), (230, 281064), (239, 270480), (240, 269353), (245, 263856), (276, 234220), (280, 230874), (294, 219880), (322, 200760), (336, 192395), (345, 187376), (368, 175665), (392, 164910), (420, 153916), (460, 140532), (478, 135240), (483, 133840), (490, 131928), (552, 117110), (560, 115437), (588, 109940), (644, 100380), (690, 93688), (717, 90160), (735, 87952), (784, 82455), (805, 80304), (840, 76958), (920, 70266), (956, 67620), (966, 66920), (980, 65964), (1104, 58555), (1127, 57360), (1176, 54970), (1195, 54096), (1288, 50190), (1380, 46844), (1434, 45080), (1470, 43976), (1610, 40152), (1673, 38640), (1680, 38479), (1840, 35133), (1912, 33810), (1932, 33460), (1960, 32982), (2254, 28680), (2352, 27485), (2390, 27048), (2415, 26768), (2576, 25095), (2760, 23422), (2868, 22540), (2940, 21988), (3220, 20076), (3346, 19320), (3381, 19120), (3585, 18032), (3824, 16905), (3864, 16730), (3920, 16491), (4508, 14340), (4780, 13524), (4830, 13384), (5019, 12880), (5497, 11760), (5520, 11711), (5635, 11472), (5736, 11270), (5880, 10994), (6440, 10038), (6692, 9660), (6762, 9560), (7170, 9016), (7728, 8365)]