21445643760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2882479}}^1$

素因数の和:2882526

約数の個数: 80

約数和(自身を含む): 68626083840

約数和(自身を除く): 47180440080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2882479, 5764958, 8647437, 11529916, 14412395, 17294874, 23059832, 28824790, 34589748, 43237185, 46119664, 57649580, 69179496, 86474370, 89356849, 115299160, 138358992, 172948740, 178713698, 230598320, 268070547, 345897480, 357427396, 446784245, 536141094, 691794960, 714854792, 893568490, 1072282188, 1340352735, 1429709584, 1787136980, 2144564376, 2680705470, 3574273960, 4289128752, 5361410940, 7148547920, 10722821880, 21445643760]

約数ペア:

[(1, 21445643760), (2, 10722821880), (3, 7148547920), (4, 5361410940), (5, 4289128752), (6, 3574273960), (8, 2680705470), (10, 2144564376), (12, 1787136980), (15, 1429709584), (16, 1340352735), (20, 1072282188), (24, 893568490), (30, 714854792), (31, 691794960), (40, 536141094), (48, 446784245), (60, 357427396), (62, 345897480), (80, 268070547), (93, 230598320), (120, 178713698), (124, 172948740), (155, 138358992), (186, 115299160), (240, 89356849), (248, 86474370), (310, 69179496), (372, 57649580), (465, 46119664), (496, 43237185), (620, 34589748), (744, 28824790), (930, 23059832), (1240, 17294874), (1488, 14412395), (1860, 11529916), (2480, 8647437), (3720, 5764958), (7440, 2882479)]