199946640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1823}}^1$

素因数の和:2296

約数の個数: 80

約数和(自身を含む): 621531648

約数和(自身を除く): 421585008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 914, 1371, 1823, 1828, 2285, 2742, 3646, 3656, 4570, 5469, 5484, 6855, 7292, 7312, 9115, 9140, 10938, 10968, 13710, 14584, 18230, 18280, 21876, 21936, 27345, 27420, 29168, 36460, 36560, 43752, 54690, 54840, 72920, 87504, 109380, 109680, 145840, 218760, 437520, 833111, 1666222, 2499333, 3332444, 4165555, 4998666, 6664888, 8331110, 9997332, 12496665, 13329776, 16662220, 19994664, 24993330, 33324440, 39989328, 49986660, 66648880, 99973320, 199946640]

約数ペア:

[(1, 199946640), (2, 99973320), (3, 66648880), (4, 49986660), (5, 39989328), (6, 33324440), (8, 24993330), (10, 19994664), (12, 16662220), (15, 13329776), (16, 12496665), (20, 9997332), (24, 8331110), (30, 6664888), (40, 4998666), (48, 4165555), (60, 3332444), (80, 2499333), (120, 1666222), (240, 833111), (457, 437520), (914, 218760), (1371, 145840), (1823, 109680), (1828, 109380), (2285, 87504), (2742, 72920), (3646, 54840), (3656, 54690), (4570, 43752), (5469, 36560), (5484, 36460), (6855, 29168), (7292, 27420), (7312, 27345), (9115, 21936), (9140, 21876), (10938, 18280), (10968, 18230), (13710, 14584)]