72091255480

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1\times {\mathrm{20921}}^1$

素因数の和:21520

約数の個数: 64

約数和(自身を含む): 163322153280

約数和(自身を除く): 91230897800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 311, 554, 622, 1108, 1244, 1385, 1555, 2216, 2488, 2770, 3110, 5540, 6220, 11080, 12440, 20921, 41842, 83684, 86147, 104605, 167368, 172294, 209210, 344588, 418420, 430735, 689176, 836840, 861470, 1722940, 3445880, 5795117, 6506431, 11590234, 13012862, 23180468, 26025724, 28975585, 32532155, 46360936, 52051448, 57951170, 65064310, 115902340, 130128620, 231804680, 260257240, 1802281387, 3604562774, 7209125548, 9011406935, 14418251096, 18022813870, 36045627740, 72091255480]

約数ペア:

[(1, 72091255480), (2, 36045627740), (4, 18022813870), (5, 14418251096), (8, 9011406935), (10, 7209125548), (20, 3604562774), (40, 1802281387), (277, 260257240), (311, 231804680), (554, 130128620), (622, 115902340), (1108, 65064310), (1244, 57951170), (1385, 52051448), (1555, 46360936), (2216, 32532155), (2488, 28975585), (2770, 26025724), (3110, 23180468), (5540, 13012862), (6220, 11590234), (11080, 6506431), (12440, 5795117), (20921, 3445880), (41842, 1722940), (83684, 861470), (86147, 836840), (104605, 689176), (167368, 430735), (172294, 418420), (209210, 344588)]