16745580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3001}}^1$

素因数の和:3047

約数の個数: 72

約数和(自身を含む): 52450944

約数和(自身を除く): 35705364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3001, 5580, 6002, 9003, 12004, 15005, 18006, 27009, 30010, 36012, 45015, 54018, 60020, 90030, 93031, 108036, 135045, 180060, 186062, 270090, 279093, 372124, 465155, 540180, 558186, 837279, 930310, 1116372, 1395465, 1674558, 1860620, 2790930, 3349116, 4186395, 5581860, 8372790, 16745580]

約数ペア:

[(1, 16745580), (2, 8372790), (3, 5581860), (4, 4186395), (5, 3349116), (6, 2790930), (9, 1860620), (10, 1674558), (12, 1395465), (15, 1116372), (18, 930310), (20, 837279), (30, 558186), (31, 540180), (36, 465155), (45, 372124), (60, 279093), (62, 270090), (90, 186062), (93, 180060), (124, 135045), (155, 108036), (180, 93031), (186, 90030), (279, 60020), (310, 54018), (372, 45015), (465, 36012), (558, 30010), (620, 27009), (930, 18006), (1116, 15005), (1395, 12004), (1860, 9003), (2790, 6002), (3001, 5580)]