28953540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2089}}^1$

素因数の和:2122

約数の個数: 144

約数和(自身を含む): 109549440

約数和(自身を除く): 80595900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2089, 2310, 2772, 3465, 4178, 4620, 6267, 6930, 8356, 10445, 12534, 13860, 14623, 18801, 20890, 22979, 25068, 29246, 31335, 37602, 41780, 43869, 45958, 58492, 62670, 68937, 73115, 75204, 87738, 91916, 94005, 114895, 125340, 131607, 137874, 146230, 160853, 175476, 188010, 206811, 219345, 229790, 263214, 275748, 292460, 321706, 344685, 376020, 413622, 438690, 459580, 482559, 526428, 643412, 658035, 689370, 804265, 827244, 877380, 965118, 1034055, 1316070, 1378740, 1447677, 1608530, 1930236, 2068110, 2412795, 2632140, 2895354, 3217060, 4136220, 4825590, 5790708, 7238385, 9651180, 14476770, 28953540]

約数ペア:

[(1, 28953540), (2, 14476770), (3, 9651180), (4, 7238385), (5, 5790708), (6, 4825590), (7, 4136220), (9, 3217060), (10, 2895354), (11, 2632140), (12, 2412795), (14, 2068110), (15, 1930236), (18, 1608530), (20, 1447677), (21, 1378740), (22, 1316070), (28, 1034055), (30, 965118), (33, 877380), (35, 827244), (36, 804265), (42, 689370), (44, 658035), (45, 643412), (55, 526428), (60, 482559), (63, 459580), (66, 438690), (70, 413622), (77, 376020), (84, 344685), (90, 321706), (99, 292460), (105, 275748), (110, 263214), (126, 229790), (132, 219345), (140, 206811), (154, 188010), (165, 175476), (180, 160853), (198, 146230), (210, 137874), (220, 131607), (231, 125340), (252, 114895), (308, 94005), (315, 91916), (330, 87738), (385, 75204), (396, 73115), (420, 68937), (462, 62670), (495, 58492), (630, 45958), (660, 43869), (693, 41780), (770, 37602), (924, 31335), (990, 29246), (1155, 25068), (1260, 22979), (1386, 20890), (1540, 18801), (1980, 14623), (2089, 13860), (2310, 12534), (2772, 10445), (3465, 8356), (4178, 6930), (4620, 6267)]