64357440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 224

約数和(自身を含む): 238865664

約数和(自身を除く): 174508224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 61, 64, 70, 80, 84, 96, 105, 112, 120, 122, 140, 157, 160, 168, 183, 192, 210, 224, 240, 244, 280, 305, 314, 320, 336, 366, 420, 427, 448, 471, 480, 488, 560, 610, 628, 672, 732, 785, 840, 854, 915, 942, 960, 976, 1099, 1120, 1220, 1256, 1281, 1344, 1464, 1570, 1680, 1708, 1830, 1884, 1952, 2135, 2198, 2240, 2355, 2440, 2512, 2562, 2928, 3140, 3297, 3360, 3416, 3660, 3768, 3904, 4270, 4396, 4710, 4880, 5024, 5124, 5495, 5856, 6280, 6405, 6594, 6720, 6832, 7320, 7536, 8540, 8792, 9420, 9577, 9760, 10048, 10248, 10990, 11712, 12560, 12810, 13188, 13664, 14640, 15072, 16485, 17080, 17584, 18840, 19154, 19520, 20496, 21980, 25120, 25620, 26376, 27328, 28731, 29280, 30144, 32970, 34160, 35168, 37680, 38308, 40992, 43960, 47885, 50240, 51240, 52752, 57462, 58560, 65940, 67039, 68320, 70336, 75360, 76616, 81984, 87920, 95770, 102480, 105504, 114924, 131880, 134078, 136640, 143655, 150720, 153232, 175840, 191540, 201117, 204960, 211008, 229848, 263760, 268156, 287310, 306464, 335195, 351680, 383080, 402234, 409920, 459696, 527520, 536312, 574620, 612928, 670390, 766160, 804468, 919392, 1005585, 1055040, 1072624, 1149240, 1340780, 1532320, 1608936, 1838784, 2011170, 2145248, 2298480, 2681560, 3064640, 3217872, 4022340, 4290496, 4596960, 5363120, 6435744, 8044680, 9193920, 10726240, 12871488, 16089360, 21452480, 32178720, 64357440]

約数ペア:

[(1, 64357440), (2, 32178720), (3, 21452480), (4, 16089360), (5, 12871488), (6, 10726240), (7, 9193920), (8, 8044680), (10, 6435744), (12, 5363120), (14, 4596960), (15, 4290496), (16, 4022340), (20, 3217872), (21, 3064640), (24, 2681560), (28, 2298480), (30, 2145248), (32, 2011170), (35, 1838784), (40, 1608936), (42, 1532320), (48, 1340780), (56, 1149240), (60, 1072624), (61, 1055040), (64, 1005585), (70, 919392), (80, 804468), (84, 766160), (96, 670390), (105, 612928), (112, 574620), (120, 536312), (122, 527520), (140, 459696), (157, 409920), (160, 402234), (168, 383080), (183, 351680), (192, 335195), (210, 306464), (224, 287310), (240, 268156), (244, 263760), (280, 229848), (305, 211008), (314, 204960), (320, 201117), (336, 191540), (366, 175840), (420, 153232), (427, 150720), (448, 143655), (471, 136640), (480, 134078), (488, 131880), (560, 114924), (610, 105504), (628, 102480), (672, 95770), (732, 87920), (785, 81984), (840, 76616), (854, 75360), (915, 70336), (942, 68320), (960, 67039), (976, 65940), (1099, 58560), (1120, 57462), (1220, 52752), (1256, 51240), (1281, 50240), (1344, 47885), (1464, 43960), (1570, 40992), (1680, 38308), (1708, 37680), (1830, 35168), (1884, 34160), (1952, 32970), (2135, 30144), (2198, 29280), (2240, 28731), (2355, 27328), (2440, 26376), (2512, 25620), (2562, 25120), (2928, 21980), (3140, 20496), (3297, 19520), (3360, 19154), (3416, 18840), (3660, 17584), (3768, 17080), (3904, 16485), (4270, 15072), (4396, 14640), (4710, 13664), (4880, 13188), (5024, 12810), (5124, 12560), (5495, 11712), (5856, 10990), (6280, 10248), (6405, 10048), (6594, 9760), (6720, 9577), (6832, 9420), (7320, 8792), (7536, 8540)]