641892240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81047}}^1$

素因数の和:81077

約数の個数: 120

約数和(自身を含む): 2351688768

約数和(自身を除く): 1709796528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 81047, 162094, 243141, 324188, 405235, 486282, 648376, 729423, 810470, 891517, 972564, 1215705, 1296752, 1458846, 1620940, 1783034, 1945128, 2431410, 2674551, 2917692, 3241880, 3566068, 3647115, 3890256, 4457585, 4862820, 5349102, 5835384, 6483760, 7132136, 7294230, 8023653, 8915170, 9725640, 10698204, 11670768, 13372755, 14264272, 14588460, 16047306, 17830340, 19451280, 21396408, 26745510, 29176920, 32094612, 35660680, 40118265, 42792816, 53491020, 58353840, 64189224, 71321360, 80236530, 106982040, 128378448, 160473060, 213964080, 320946120, 641892240]

約数ペア:

[(1, 641892240), (2, 320946120), (3, 213964080), (4, 160473060), (5, 128378448), (6, 106982040), (8, 80236530), (9, 71321360), (10, 64189224), (11, 58353840), (12, 53491020), (15, 42792816), (16, 40118265), (18, 35660680), (20, 32094612), (22, 29176920), (24, 26745510), (30, 21396408), (33, 19451280), (36, 17830340), (40, 16047306), (44, 14588460), (45, 14264272), (48, 13372755), (55, 11670768), (60, 10698204), (66, 9725640), (72, 8915170), (80, 8023653), (88, 7294230), (90, 7132136), (99, 6483760), (110, 5835384), (120, 5349102), (132, 4862820), (144, 4457585), (165, 3890256), (176, 3647115), (180, 3566068), (198, 3241880), (220, 2917692), (240, 2674551), (264, 2431410), (330, 1945128), (360, 1783034), (396, 1620940), (440, 1458846), (495, 1296752), (528, 1215705), (660, 972564), (720, 891517), (792, 810470), (880, 729423), (990, 648376), (1320, 486282), (1584, 405235), (1980, 324188), (2640, 243141), (3960, 162094), (7920, 81047)]