645001280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26177}}^1$

素因数の和:26212

約数の個数: 112

約数和(自身を含む): 1914973056

約数和(自身を除く): 1269971776

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 12320, 24640, 26177, 52354, 104708, 130885, 183239, 209416, 261770, 287947, 366478, 418832, 523540, 575894, 732956, 837664, 916195, 1047080, 1151788, 1439735, 1465912, 1675328, 1832390, 2015629, 2094160, 2303576, 2879470, 2931824, 3664780, 4031258, 4188320, 4607152, 5758940, 5863648, 7329560, 8062516, 8376640, 9214304, 10078145, 11517880, 11727296, 14659120, 16125032, 18428608, 20156290, 23035760, 29318240, 32250064, 40312580, 46071520, 58636480, 64500128, 80625160, 92143040, 129000256, 161250320, 322500640, 645001280]

約数ペア:

[(1, 645001280), (2, 322500640), (4, 161250320), (5, 129000256), (7, 92143040), (8, 80625160), (10, 64500128), (11, 58636480), (14, 46071520), (16, 40312580), (20, 32250064), (22, 29318240), (28, 23035760), (32, 20156290), (35, 18428608), (40, 16125032), (44, 14659120), (55, 11727296), (56, 11517880), (64, 10078145), (70, 9214304), (77, 8376640), (80, 8062516), (88, 7329560), (110, 5863648), (112, 5758940), (140, 4607152), (154, 4188320), (160, 4031258), (176, 3664780), (220, 2931824), (224, 2879470), (280, 2303576), (308, 2094160), (320, 2015629), (352, 1832390), (385, 1675328), (440, 1465912), (448, 1439735), (560, 1151788), (616, 1047080), (704, 916195), (770, 837664), (880, 732956), (1120, 575894), (1232, 523540), (1540, 418832), (1760, 366478), (2240, 287947), (2464, 261770), (3080, 209416), (3520, 183239), (4928, 130885), (6160, 104708), (12320, 52354), (24640, 26177)]