2019896820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{660097}}^1$

素因数の和:660129

約数の個数: 72

約数和(自身を含む): 6487443144

約数和(自身を除く): 4467546324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 660097, 1320194, 1980291, 2640388, 3300485, 3960582, 5940873, 6600970, 7921164, 9901455, 11221649, 11881746, 13201940, 19802910, 22443298, 23763492, 29704365, 33664947, 39605820, 44886596, 56108245, 59408730, 67329894, 100994841, 112216490, 118817460, 134659788, 168324735, 201989682, 224432980, 336649470, 403979364, 504974205, 673298940, 1009948410, 2019896820]

約数ペア:

[(1, 2019896820), (2, 1009948410), (3, 673298940), (4, 504974205), (5, 403979364), (6, 336649470), (9, 224432980), (10, 201989682), (12, 168324735), (15, 134659788), (17, 118817460), (18, 112216490), (20, 100994841), (30, 67329894), (34, 59408730), (36, 56108245), (45, 44886596), (51, 39605820), (60, 33664947), (68, 29704365), (85, 23763492), (90, 22443298), (102, 19802910), (153, 13201940), (170, 11881746), (180, 11221649), (204, 9901455), (255, 7921164), (306, 6600970), (340, 5940873), (510, 3960582), (612, 3300485), (765, 2640388), (1020, 1980291), (1530, 1320194), (3060, 660097)]