78869520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109541}}^1$

素因数の和:109560

約数の個数: 60

約数和(自身を含む): 264872556

約数和(自身を除く): 186003036

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 109541, 219082, 328623, 438164, 547705, 657246, 876328, 985869, 1095410, 1314492, 1643115, 1752656, 1971738, 2190820, 2628984, 3286230, 3943476, 4381640, 4929345, 5257968, 6572460, 7886952, 8763280, 9858690, 13144920, 15773904, 19717380, 26289840, 39434760, 78869520]

約数ペア:

[(1, 78869520), (2, 39434760), (3, 26289840), (4, 19717380), (5, 15773904), (6, 13144920), (8, 9858690), (9, 8763280), (10, 7886952), (12, 6572460), (15, 5257968), (16, 4929345), (18, 4381640), (20, 3943476), (24, 3286230), (30, 2628984), (36, 2190820), (40, 1971738), (45, 1752656), (48, 1643115), (60, 1314492), (72, 1095410), (80, 985869), (90, 876328), (120, 657246), (144, 547705), (180, 438164), (240, 328623), (360, 219082), (720, 109541)]