221397840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{102499}}^1$

素因数の和:102521

約数の個数: 80

約数和(自身を含む): 762600000

約数和(自身を除く): 541202160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 102499, 204998, 307497, 409996, 512495, 614994, 819992, 922491, 1024990, 1229988, 1537485, 1639984, 1844982, 2049980, 2459976, 2767473, 3074970, 3689964, 4099960, 4612455, 4919952, 5534946, 6149940, 7379928, 8199920, 9224910, 11069892, 12299880, 13837365, 14759856, 18449820, 22139784, 24599760, 27674730, 36899640, 44279568, 55349460, 73799280, 110698920, 221397840]

約数ペア:

[(1, 221397840), (2, 110698920), (3, 73799280), (4, 55349460), (5, 44279568), (6, 36899640), (8, 27674730), (9, 24599760), (10, 22139784), (12, 18449820), (15, 14759856), (16, 13837365), (18, 12299880), (20, 11069892), (24, 9224910), (27, 8199920), (30, 7379928), (36, 6149940), (40, 5534946), (45, 4919952), (48, 4612455), (54, 4099960), (60, 3689964), (72, 3074970), (80, 2767473), (90, 2459976), (108, 2049980), (120, 1844982), (135, 1639984), (144, 1537485), (180, 1229988), (216, 1024990), (240, 922491), (270, 819992), (360, 614994), (432, 512495), (540, 409996), (720, 307497), (1080, 204998), (2160, 102499)]