21768288120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{152311}}^1$

素因数の和:152725

約数の個数: 96

約数和(自身を含む): 70925605920

約数和(自身を除く): 49157317800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 397, 794, 1191, 1588, 1985, 2382, 3176, 3573, 3970, 4764, 5955, 7146, 7940, 9528, 11910, 14292, 15880, 17865, 23820, 28584, 35730, 47640, 71460, 142920, 152311, 304622, 456933, 609244, 761555, 913866, 1218488, 1370799, 1523110, 1827732, 2284665, 2741598, 3046220, 3655464, 4569330, 5483196, 6092440, 6853995, 9138660, 10966392, 13707990, 18277320, 27415980, 54831960, 60467467, 120934934, 181402401, 241869868, 302337335, 362804802, 483739736, 544207203, 604674670, 725609604, 907012005, 1088414406, 1209349340, 1451219208, 1814024010, 2176828812, 2418698680, 2721036015, 3628048020, 4353657624, 5442072030, 7256096040, 10884144060, 21768288120]

約数ペア:

[(1, 21768288120), (2, 10884144060), (3, 7256096040), (4, 5442072030), (5, 4353657624), (6, 3628048020), (8, 2721036015), (9, 2418698680), (10, 2176828812), (12, 1814024010), (15, 1451219208), (18, 1209349340), (20, 1088414406), (24, 907012005), (30, 725609604), (36, 604674670), (40, 544207203), (45, 483739736), (60, 362804802), (72, 302337335), (90, 241869868), (120, 181402401), (180, 120934934), (360, 60467467), (397, 54831960), (794, 27415980), (1191, 18277320), (1588, 13707990), (1985, 10966392), (2382, 9138660), (3176, 6853995), (3573, 6092440), (3970, 5483196), (4764, 4569330), (5955, 3655464), (7146, 3046220), (7940, 2741598), (9528, 2284665), (11910, 1827732), (14292, 1523110), (15880, 1370799), (17865, 1218488), (23820, 913866), (28584, 761555), (35730, 609244), (47640, 456933), (71460, 304622), (142920, 152311)]