201810210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1440

約数の個数: 128

約数和(自身を含む): 598855680

約数和(自身を除く): 397045470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 37, 38, 42, 57, 70, 74, 95, 105, 111, 114, 133, 185, 190, 210, 222, 259, 266, 285, 370, 399, 518, 555, 570, 665, 703, 777, 798, 1110, 1295, 1330, 1367, 1406, 1554, 1995, 2109, 2590, 2734, 3515, 3885, 3990, 4101, 4218, 4921, 6835, 7030, 7770, 8202, 9569, 9842, 10545, 13670, 14763, 19138, 20505, 21090, 24605, 25973, 28707, 29526, 41010, 47845, 49210, 50579, 51946, 57414, 73815, 77919, 95690, 101158, 129865, 143535, 147630, 151737, 155838, 181811, 252895, 259730, 287070, 303474, 354053, 363622, 389595, 505790, 545433, 708106, 758685, 779190, 909055, 961001, 1062159, 1090866, 1517370, 1770265, 1818110, 1922002, 2124318, 2727165, 2883003, 3540530, 4805005, 5310795, 5454330, 5766006, 6727007, 9610010, 10621590, 13454014, 14415015, 20181021, 28830030, 33635035, 40362042, 67270070, 100905105, 201810210]

約数ペア:

[(1, 201810210), (2, 100905105), (3, 67270070), (5, 40362042), (6, 33635035), (7, 28830030), (10, 20181021), (14, 14415015), (15, 13454014), (19, 10621590), (21, 9610010), (30, 6727007), (35, 5766006), (37, 5454330), (38, 5310795), (42, 4805005), (57, 3540530), (70, 2883003), (74, 2727165), (95, 2124318), (105, 1922002), (111, 1818110), (114, 1770265), (133, 1517370), (185, 1090866), (190, 1062159), (210, 961001), (222, 909055), (259, 779190), (266, 758685), (285, 708106), (370, 545433), (399, 505790), (518, 389595), (555, 363622), (570, 354053), (665, 303474), (703, 287070), (777, 259730), (798, 252895), (1110, 181811), (1295, 155838), (1330, 151737), (1367, 147630), (1406, 143535), (1554, 129865), (1995, 101158), (2109, 95690), (2590, 77919), (2734, 73815), (3515, 57414), (3885, 51946), (3990, 50579), (4101, 49210), (4218, 47845), (4921, 41010), (6835, 29526), (7030, 28707), (7770, 25973), (8202, 24605), (9569, 21090), (9842, 20505), (10545, 19138), (13670, 14763)]