1215673580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{863}}^1$

素因数の和:1239

約数の個数: 96

約数和(自身を含む): 2943682560

約数和(自身を除く): 1728008980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 337, 380, 418, 674, 836, 863, 1045, 1348, 1685, 1726, 2090, 3370, 3452, 3707, 4180, 4315, 6403, 6740, 7414, 8630, 9493, 12806, 14828, 16397, 17260, 18535, 18986, 25612, 32015, 32794, 37070, 37972, 47465, 64030, 65588, 70433, 74140, 81985, 94930, 128060, 140866, 163970, 180367, 189860, 281732, 290831, 327940, 352165, 360734, 581662, 704330, 721468, 901835, 1163324, 1408660, 1454155, 1803670, 2908310, 3199141, 3607340, 5525789, 5816620, 6398282, 11051578, 12796564, 15995705, 22103156, 27628945, 31991410, 55257890, 60783679, 63982820, 110515780, 121567358, 243134716, 303918395, 607836790, 1215673580]

約数ペア:

[(1, 1215673580), (2, 607836790), (4, 303918395), (5, 243134716), (10, 121567358), (11, 110515780), (19, 63982820), (20, 60783679), (22, 55257890), (38, 31991410), (44, 27628945), (55, 22103156), (76, 15995705), (95, 12796564), (110, 11051578), (190, 6398282), (209, 5816620), (220, 5525789), (337, 3607340), (380, 3199141), (418, 2908310), (674, 1803670), (836, 1454155), (863, 1408660), (1045, 1163324), (1348, 901835), (1685, 721468), (1726, 704330), (2090, 581662), (3370, 360734), (3452, 352165), (3707, 327940), (4180, 290831), (4315, 281732), (6403, 189860), (6740, 180367), (7414, 163970), (8630, 140866), (9493, 128060), (12806, 94930), (14828, 81985), (16397, 74140), (17260, 70433), (18535, 65588), (18986, 64030), (25612, 47465), (32015, 37972), (32794, 37070)]