64617280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 168

約数和(自身を含む): 193368168

約数和(自身を除く): 128750888

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 317, 320, 364, 392, 416, 448, 455, 490, 520, 560, 634, 637, 728, 784, 832, 910, 980, 1040, 1120, 1268, 1274, 1456, 1568, 1585, 1820, 1960, 2080, 2219, 2240, 2536, 2548, 2912, 3136, 3170, 3185, 3640, 3920, 4121, 4160, 4438, 5072, 5096, 5824, 6340, 6370, 7280, 7840, 8242, 8876, 10144, 10192, 11095, 12680, 12740, 14560, 15533, 15680, 16484, 17752, 20288, 20384, 20605, 22190, 25360, 25480, 28847, 29120, 31066, 32968, 35504, 40768, 41210, 44380, 50720, 50960, 57694, 62132, 65936, 71008, 77665, 82420, 88760, 101440, 101920, 115388, 124264, 131872, 142016, 144235, 155330, 164840, 177520, 201929, 203840, 230776, 248528, 263744, 288470, 310660, 329680, 355040, 403858, 461552, 497056, 576940, 621320, 659360, 710080, 807716, 923104, 994112, 1009645, 1153880, 1242640, 1318720, 1615432, 1846208, 2019290, 2307760, 2485280, 3230864, 4038580, 4615520, 4970560, 6461728, 8077160, 9231040, 12923456, 16154320, 32308640, 64617280]

約数ペア:

[(1, 64617280), (2, 32308640), (4, 16154320), (5, 12923456), (7, 9231040), (8, 8077160), (10, 6461728), (13, 4970560), (14, 4615520), (16, 4038580), (20, 3230864), (26, 2485280), (28, 2307760), (32, 2019290), (35, 1846208), (40, 1615432), (49, 1318720), (52, 1242640), (56, 1153880), (64, 1009645), (65, 994112), (70, 923104), (80, 807716), (91, 710080), (98, 659360), (104, 621320), (112, 576940), (130, 497056), (140, 461552), (160, 403858), (182, 355040), (196, 329680), (208, 310660), (224, 288470), (245, 263744), (260, 248528), (280, 230776), (317, 203840), (320, 201929), (364, 177520), (392, 164840), (416, 155330), (448, 144235), (455, 142016), (490, 131872), (520, 124264), (560, 115388), (634, 101920), (637, 101440), (728, 88760), (784, 82420), (832, 77665), (910, 71008), (980, 65936), (1040, 62132), (1120, 57694), (1268, 50960), (1274, 50720), (1456, 44380), (1568, 41210), (1585, 40768), (1820, 35504), (1960, 32968), (2080, 31066), (2219, 29120), (2240, 28847), (2536, 25480), (2548, 25360), (2912, 22190), (3136, 20605), (3170, 20384), (3185, 20288), (3640, 17752), (3920, 16484), (4121, 15680), (4160, 15533), (4438, 14560), (5072, 12740), (5096, 12680), (5824, 11095), (6340, 10192), (6370, 10144), (7280, 8876), (7840, 8242)]