1245576780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2417}}^1$

素因数の和:2848

約数の個数: 144

約数和(自身を含む): 4330347840

約数和(自身を除く): 3084771060

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, 409, 420, 630, 818, 1227, 1260, 1636, 2045, 2417, 2454, 2863, 3681, 4090, 4834, 4908, 5726, 6135, 7251, 7362, 8180, 8589, 9668, 11452, 12085, 12270, 14315, 14502, 14724, 16919, 17178, 18405, 21753, 24170, 24540, 25767, 28630, 29004, 33838, 34356, 36255, 36810, 42945, 43506, 48340, 50757, 51534, 57260, 67676, 72510, 73620, 84595, 85890, 87012, 101514, 103068, 108765, 128835, 145020, 152271, 169190, 171780, 203028, 217530, 253785, 257670, 304542, 338380, 435060, 507570, 515340, 609084, 761355, 988553, 1015140, 1522710, 1977106, 2965659, 3045420, 3954212, 4942765, 5931318, 6919871, 8896977, 9885530, 11862636, 13839742, 14828295, 17793954, 19771060, 20759613, 27679484, 29656590, 34599355, 35587908, 41519226, 44484885, 59313180, 62278839, 69198710, 83038452, 88969770, 103798065, 124557678, 138397420, 177939540, 207596130, 249115356, 311394195, 415192260, 622788390, 1245576780]

約数ペア:

[(1, 1245576780), (2, 622788390), (3, 415192260), (4, 311394195), (5, 249115356), (6, 207596130), (7, 177939540), (9, 138397420), (10, 124557678), (12, 103798065), (14, 88969770), (15, 83038452), (18, 69198710), (20, 62278839), (21, 59313180), (28, 44484885), (30, 41519226), (35, 35587908), (36, 34599355), (42, 29656590), (45, 27679484), (60, 20759613), (63, 19771060), (70, 17793954), (84, 14828295), (90, 13839742), (105, 11862636), (126, 9885530), (140, 8896977), (180, 6919871), (210, 5931318), (252, 4942765), (315, 3954212), (409, 3045420), (420, 2965659), (630, 1977106), (818, 1522710), (1227, 1015140), (1260, 988553), (1636, 761355), (2045, 609084), (2417, 515340), (2454, 507570), (2863, 435060), (3681, 338380), (4090, 304542), (4834, 257670), (4908, 253785), (5726, 217530), (6135, 203028), (7251, 171780), (7362, 169190), (8180, 152271), (8589, 145020), (9668, 128835), (11452, 108765), (12085, 103068), (12270, 101514), (14315, 87012), (14502, 85890), (14724, 84595), (16919, 73620), (17178, 72510), (18405, 67676), (21753, 57260), (24170, 51534), (24540, 50757), (25767, 48340), (28630, 43506), (29004, 42945), (33838, 36810), (34356, 36255)]