64158640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1299

約数の個数: 120

約数和(自身を含む): 187019280

約数和(自身を除く): 122860640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1259, 1274, 1456, 1820, 1960, 2518, 2548, 3185, 3640, 3920, 5036, 5096, 6295, 6370, 7280, 8813, 10072, 10192, 12590, 12740, 16367, 17626, 20144, 25180, 25480, 32734, 35252, 44065, 50360, 50960, 61691, 65468, 70504, 81835, 88130, 100720, 114569, 123382, 130936, 141008, 163670, 176260, 229138, 246764, 261872, 308455, 327340, 352520, 458276, 493528, 572845, 616910, 654680, 705040, 801983, 916552, 987056, 1145690, 1233820, 1309360, 1603966, 1833104, 2291380, 2467640, 3207932, 4009915, 4582760, 4935280, 6415864, 8019830, 9165520, 12831728, 16039660, 32079320, 64158640]

約数ペア:

[(1, 64158640), (2, 32079320), (4, 16039660), (5, 12831728), (7, 9165520), (8, 8019830), (10, 6415864), (13, 4935280), (14, 4582760), (16, 4009915), (20, 3207932), (26, 2467640), (28, 2291380), (35, 1833104), (40, 1603966), (49, 1309360), (52, 1233820), (56, 1145690), (65, 987056), (70, 916552), (80, 801983), (91, 705040), (98, 654680), (104, 616910), (112, 572845), (130, 493528), (140, 458276), (182, 352520), (196, 327340), (208, 308455), (245, 261872), (260, 246764), (280, 229138), (364, 176260), (392, 163670), (455, 141008), (490, 130936), (520, 123382), (560, 114569), (637, 100720), (728, 88130), (784, 81835), (910, 70504), (980, 65468), (1040, 61691), (1259, 50960), (1274, 50360), (1456, 44065), (1820, 35252), (1960, 32734), (2518, 25480), (2548, 25180), (3185, 20144), (3640, 17626), (3920, 16367), (5036, 12740), (5096, 12590), (6295, 10192), (6370, 10072), (7280, 8813)]