778867740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:641

約数の個数: 216

約数和(自身を含む): 2767368240

約数和(自身を除く): 1988500500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 233, 245, 252, 294, 315, 379, 420, 441, 466, 490, 588, 630, 699, 735, 758, 882, 932, 980, 1137, 1165, 1260, 1398, 1470, 1516, 1631, 1764, 1895, 2097, 2205, 2274, 2330, 2653, 2796, 2940, 3262, 3411, 3495, 3790, 4194, 4410, 4548, 4660, 4893, 5306, 5685, 6524, 6822, 6990, 7580, 7959, 8155, 8388, 8820, 9786, 10485, 10612, 11370, 11417, 13265, 13644, 13980, 14679, 15918, 16310, 17055, 18571, 19572, 20970, 22740, 22834, 23877, 24465, 26530, 29358, 31836, 32620, 34110, 34251, 37142, 39795, 41940, 45668, 47754, 48930, 53060, 55713, 57085, 58716, 68220, 68502, 73395, 74284, 79590, 88307, 92855, 95508, 97860, 102753, 111426, 114170, 119385, 137004, 146790, 159180, 167139, 171255, 176614, 185710, 205506, 222852, 228340, 238770, 264921, 278565, 293580, 334278, 342510, 353228, 371420, 411012, 441535, 477540, 513765, 529842, 557130, 618149, 668556, 685020, 794763, 835695, 883070, 1027530, 1059684, 1114260, 1236298, 1324605, 1589526, 1671390, 1766140, 1854447, 2055060, 2472596, 2649210, 3090745, 3179052, 3342780, 3708894, 3973815, 4327043, 5298420, 5563341, 6181490, 7417788, 7947630, 8654086, 9272235, 11126682, 12362980, 12981129, 15895260, 17308172, 18544470, 21635215, 22253364, 25962258, 27816705, 37088940, 38943387, 43270430, 51924516, 55633410, 64905645, 77886774, 86540860, 111266820, 129811290, 155773548, 194716935, 259622580, 389433870, 778867740]

約数ペア:

[(1, 778867740), (2, 389433870), (3, 259622580), (4, 194716935), (5, 155773548), (6, 129811290), (7, 111266820), (9, 86540860), (10, 77886774), (12, 64905645), (14, 55633410), (15, 51924516), (18, 43270430), (20, 38943387), (21, 37088940), (28, 27816705), (30, 25962258), (35, 22253364), (36, 21635215), (42, 18544470), (45, 17308172), (49, 15895260), (60, 12981129), (63, 12362980), (70, 11126682), (84, 9272235), (90, 8654086), (98, 7947630), (105, 7417788), (126, 6181490), (140, 5563341), (147, 5298420), (180, 4327043), (196, 3973815), (210, 3708894), (233, 3342780), (245, 3179052), (252, 3090745), (294, 2649210), (315, 2472596), (379, 2055060), (420, 1854447), (441, 1766140), (466, 1671390), (490, 1589526), (588, 1324605), (630, 1236298), (699, 1114260), (735, 1059684), (758, 1027530), (882, 883070), (932, 835695), (980, 794763), (1137, 685020), (1165, 668556), (1260, 618149), (1398, 557130), (1470, 529842), (1516, 513765), (1631, 477540), (1764, 441535), (1895, 411012), (2097, 371420), (2205, 353228), (2274, 342510), (2330, 334278), (2653, 293580), (2796, 278565), (2940, 264921), (3262, 238770), (3411, 228340), (3495, 222852), (3790, 205506), (4194, 185710), (4410, 176614), (4548, 171255), (4660, 167139), (4893, 159180), (5306, 146790), (5685, 137004), (6524, 119385), (6822, 114170), (6990, 111426), (7580, 102753), (7959, 97860), (8155, 95508), (8388, 92855), (8820, 88307), (9786, 79590), (10485, 74284), (10612, 73395), (11370, 68502), (11417, 68220), (13265, 58716), (13644, 57085), (13980, 55713), (14679, 53060), (15918, 48930), (16310, 47754), (17055, 45668), (18571, 41940), (19572, 39795), (20970, 37142), (22740, 34251), (22834, 34110), (23877, 32620), (24465, 31836), (26530, 29358)]