1228215540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{705871}}^1$

素因数の和:705912

約数の個数: 48

約数和(自身を含む): 3557594880

約数和(自身を除く): 2329379340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 705871, 1411742, 2117613, 2823484, 3529355, 4235226, 7058710, 8470452, 10588065, 14117420, 20470259, 21176130, 40940518, 42352260, 61410777, 81881036, 102351295, 122821554, 204702590, 245643108, 307053885, 409405180, 614107770, 1228215540]

約数ペア:

[(1, 1228215540), (2, 614107770), (3, 409405180), (4, 307053885), (5, 245643108), (6, 204702590), (10, 122821554), (12, 102351295), (15, 81881036), (20, 61410777), (29, 42352260), (30, 40940518), (58, 21176130), (60, 20470259), (87, 14117420), (116, 10588065), (145, 8470452), (174, 7058710), (290, 4235226), (348, 3529355), (435, 2823484), (580, 2117613), (870, 1411742), (1740, 705871)]