213888780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{169753}}^1$

素因数の和:169775

約数の個数: 72

約数和(自身を含む): 741485472

約数和(自身を除く): 527596692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 169753, 339506, 509259, 679012, 848765, 1018518, 1188271, 1527777, 1697530, 2037036, 2376542, 2546295, 3055554, 3395060, 3564813, 4753084, 5092590, 5941355, 6111108, 7129626, 7638885, 10185180, 10694439, 11882710, 14259252, 15277770, 17824065, 21388878, 23765420, 30555540, 35648130, 42777756, 53472195, 71296260, 106944390, 213888780]

約数ペア:

[(1, 213888780), (2, 106944390), (3, 71296260), (4, 53472195), (5, 42777756), (6, 35648130), (7, 30555540), (9, 23765420), (10, 21388878), (12, 17824065), (14, 15277770), (15, 14259252), (18, 11882710), (20, 10694439), (21, 10185180), (28, 7638885), (30, 7129626), (35, 6111108), (36, 5941355), (42, 5092590), (45, 4753084), (60, 3564813), (63, 3395060), (70, 3055554), (84, 2546295), (90, 2376542), (105, 2037036), (126, 1697530), (140, 1527777), (180, 1188271), (210, 1018518), (252, 848765), (315, 679012), (420, 509259), (630, 339506), (1260, 169753)]