65174480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 174405504

約数和(自身を除く): 109231024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 560, 643, 724, 905, 1267, 1286, 1448, 1810, 2534, 2572, 2896, 3215, 3620, 4501, 5068, 5144, 6335, 6430, 7240, 9002, 10136, 10288, 12670, 12860, 14480, 18004, 20272, 22505, 25340, 25720, 36008, 45010, 50680, 51440, 72016, 90020, 101360, 116383, 180040, 232766, 360080, 465532, 581915, 814681, 931064, 1163830, 1629362, 1862128, 2327660, 3258724, 4073405, 4655320, 6517448, 8146810, 9310640, 13034896, 16293620, 32587240, 65174480]

約数ペア:

[(1, 65174480), (2, 32587240), (4, 16293620), (5, 13034896), (7, 9310640), (8, 8146810), (10, 6517448), (14, 4655320), (16, 4073405), (20, 3258724), (28, 2327660), (35, 1862128), (40, 1629362), (56, 1163830), (70, 931064), (80, 814681), (112, 581915), (140, 465532), (181, 360080), (280, 232766), (362, 180040), (560, 116383), (643, 101360), (724, 90020), (905, 72016), (1267, 51440), (1286, 50680), (1448, 45010), (1810, 36008), (2534, 25720), (2572, 25340), (2896, 22505), (3215, 20272), (3620, 18004), (4501, 14480), (5068, 12860), (5144, 12670), (6335, 10288), (6430, 10136), (7240, 9002)]