69310980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{919}}^1$

素因数の和:1353

約数の個数: 72

約数和(自身を含む): 210974400

約数和(自身を除く): 141663420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 919, 1257, 1676, 1838, 2095, 2514, 2757, 3676, 3771, 4190, 4595, 5028, 5514, 6285, 7542, 8271, 8380, 9190, 11028, 12570, 13785, 15084, 16542, 18380, 18855, 25140, 27570, 33084, 37710, 41355, 55140, 75420, 82710, 165420, 385061, 770122, 1155183, 1540244, 1925305, 2310366, 3465549, 3850610, 4620732, 5775915, 6931098, 7701220, 11551830, 13862196, 17327745, 23103660, 34655490, 69310980]

約数ペア:

[(1, 69310980), (2, 34655490), (3, 23103660), (4, 17327745), (5, 13862196), (6, 11551830), (9, 7701220), (10, 6931098), (12, 5775915), (15, 4620732), (18, 3850610), (20, 3465549), (30, 2310366), (36, 1925305), (45, 1540244), (60, 1155183), (90, 770122), (180, 385061), (419, 165420), (838, 82710), (919, 75420), (1257, 55140), (1676, 41355), (1838, 37710), (2095, 33084), (2514, 27570), (2757, 25140), (3676, 18855), (3771, 18380), (4190, 16542), (4595, 15084), (5028, 13785), (5514, 12570), (6285, 11028), (7542, 9190), (8271, 8380)]