81070560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56299}}^1$

素因数の和:56320

約数の個数: 72

約数和(自身を含む): 276658200

約数和(自身を除く): 195587640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56299, 112598, 168897, 225196, 281495, 337794, 450392, 506691, 562990, 675588, 844485, 900784, 1013382, 1125980, 1351176, 1688970, 1801568, 2026764, 2251960, 2533455, 2702352, 3377940, 4053528, 4503920, 5066910, 5404704, 6755880, 8107056, 9007840, 10133820, 13511760, 16214112, 20267640, 27023520, 40535280, 81070560]

約数ペア:

[(1, 81070560), (2, 40535280), (3, 27023520), (4, 20267640), (5, 16214112), (6, 13511760), (8, 10133820), (9, 9007840), (10, 8107056), (12, 6755880), (15, 5404704), (16, 5066910), (18, 4503920), (20, 4053528), (24, 3377940), (30, 2702352), (32, 2533455), (36, 2251960), (40, 2026764), (45, 1801568), (48, 1688970), (60, 1351176), (72, 1125980), (80, 1013382), (90, 900784), (96, 844485), (120, 675588), (144, 562990), (160, 506691), (180, 450392), (240, 337794), (288, 281495), (360, 225196), (480, 168897), (720, 112598), (1440, 56299)]