74777220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3491}}^1$

素因数の和:3530

約数の個数: 144

約数和(自身を含む): 274555008

約数和(自身を除く): 199777788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3491, 3570, 4284, 5355, 6982, 7140, 10473, 10710, 13964, 17455, 20946, 21420, 24437, 31419, 34910, 41892, 48874, 52365, 59347, 62838, 69820, 73311, 97748, 104730, 118694, 122185, 125676, 146622, 157095, 178041, 209460, 219933, 237388, 244370, 293244, 296735, 314190, 356082, 366555, 415429, 439866, 488740, 534123, 593470, 628380, 712164, 733110, 830858, 879732, 890205, 1068246, 1099665, 1186940, 1246287, 1466220, 1661716, 1780410, 2077145, 2136492, 2199330, 2492574, 2670615, 3560820, 3738861, 4154290, 4398660, 4985148, 5341230, 6231435, 7477722, 8308580, 10682460, 12462870, 14955444, 18694305, 24925740, 37388610, 74777220]

約数ペア:

[(1, 74777220), (2, 37388610), (3, 24925740), (4, 18694305), (5, 14955444), (6, 12462870), (7, 10682460), (9, 8308580), (10, 7477722), (12, 6231435), (14, 5341230), (15, 4985148), (17, 4398660), (18, 4154290), (20, 3738861), (21, 3560820), (28, 2670615), (30, 2492574), (34, 2199330), (35, 2136492), (36, 2077145), (42, 1780410), (45, 1661716), (51, 1466220), (60, 1246287), (63, 1186940), (68, 1099665), (70, 1068246), (84, 890205), (85, 879732), (90, 830858), (102, 733110), (105, 712164), (119, 628380), (126, 593470), (140, 534123), (153, 488740), (170, 439866), (180, 415429), (204, 366555), (210, 356082), (238, 314190), (252, 296735), (255, 293244), (306, 244370), (315, 237388), (340, 219933), (357, 209460), (420, 178041), (476, 157095), (510, 146622), (595, 125676), (612, 122185), (630, 118694), (714, 104730), (765, 97748), (1020, 73311), (1071, 69820), (1190, 62838), (1260, 59347), (1428, 52365), (1530, 48874), (1785, 41892), (2142, 34910), (2380, 31419), (3060, 24437), (3491, 21420), (3570, 20946), (4284, 17455), (5355, 13964), (6982, 10710), (7140, 10473)]