1722420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1367}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 5975424

約数和(自身を除く): 4253004

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, 1367, 2734, 4101, 5468, 6835, 8202, 9569, 12303, 13670, 16404, 19138, 20505, 24606, 27340, 28707, 38276, 41010, 47845, 49212, 57414, 61515, 82020, 86121, 95690, 114828, 123030, 143535, 172242, 191380, 246060, 287070, 344484, 430605, 574140, 861210, 1722420]

約数ペア:

[(1, 1722420), (2, 861210), (3, 574140), (4, 430605), (5, 344484), (6, 287070), (7, 246060), (9, 191380), (10, 172242), (12, 143535), (14, 123030), (15, 114828), (18, 95690), (20, 86121), (21, 82020), (28, 61515), (30, 57414), (35, 49212), (36, 47845), (42, 41010), (45, 38276), (60, 28707), (63, 27340), (70, 24606), (84, 20505), (90, 19138), (105, 16404), (126, 13670), (140, 12303), (180, 9569), (210, 8202), (252, 6835), (315, 5468), (420, 4101), (630, 2734), (1260, 1367)]