105212240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2220

約数の個数: 80

約数和(自身を含む): 282839040

約数和(自身を除く): 177626800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2111, 2492, 3115, 3560, 4222, 4984, 6230, 7120, 8444, 9968, 10555, 12460, 14777, 16888, 21110, 24920, 29554, 33776, 42220, 49840, 59108, 73885, 84440, 118216, 147770, 168880, 187879, 236432, 295540, 375758, 591080, 751516, 939395, 1182160, 1315153, 1503032, 1878790, 2630306, 3006064, 3757580, 5260612, 6575765, 7515160, 10521224, 13151530, 15030320, 21042448, 26303060, 52606120, 105212240]

約数ペア:

[(1, 105212240), (2, 52606120), (4, 26303060), (5, 21042448), (7, 15030320), (8, 13151530), (10, 10521224), (14, 7515160), (16, 6575765), (20, 5260612), (28, 3757580), (35, 3006064), (40, 2630306), (56, 1878790), (70, 1503032), (80, 1315153), (89, 1182160), (112, 939395), (140, 751516), (178, 591080), (280, 375758), (356, 295540), (445, 236432), (560, 187879), (623, 168880), (712, 147770), (890, 118216), (1246, 84440), (1424, 73885), (1780, 59108), (2111, 49840), (2492, 42220), (3115, 33776), (3560, 29554), (4222, 24920), (4984, 21110), (6230, 16888), (7120, 14777), (8444, 12460), (9968, 10555)]