15705019880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{2341}}^1$

素因数の和:2635

約数の個数: 128

約数和(自身を含む): 39255667200

約数和(自身を除く): 23550647320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 193, 220, 316, 386, 395, 440, 632, 772, 790, 869, 965, 1544, 1580, 1738, 1930, 2123, 2341, 3160, 3476, 3860, 4246, 4345, 4682, 6952, 7720, 8492, 8690, 9364, 10615, 11705, 15247, 16984, 17380, 18728, 21230, 23410, 25751, 30494, 34760, 42460, 46820, 51502, 60988, 76235, 84920, 93640, 103004, 121976, 128755, 152470, 167717, 184939, 206008, 257510, 304940, 335434, 369878, 451813, 515020, 609880, 670868, 739756, 838585, 903626, 924695, 1030040, 1341736, 1479512, 1677170, 1807252, 1849390, 2034329, 2259065, 3354340, 3614504, 3698780, 4068658, 4518130, 4969943, 6708680, 7397560, 8137316, 9036260, 9939886, 10171645, 16274632, 18072520, 19879772, 20343290, 24849715, 35693227, 39759544, 40686580, 49699430, 71386454, 81373160, 99398860, 142772908, 178466135, 198797720, 285545816, 356932270, 392625497, 713864540, 785250994, 1427729080, 1570501988, 1963127485, 3141003976, 3926254970, 7852509940, 15705019880]

約数ペア:

[(1, 15705019880), (2, 7852509940), (4, 3926254970), (5, 3141003976), (8, 1963127485), (10, 1570501988), (11, 1427729080), (20, 785250994), (22, 713864540), (40, 392625497), (44, 356932270), (55, 285545816), (79, 198797720), (88, 178466135), (110, 142772908), (158, 99398860), (193, 81373160), (220, 71386454), (316, 49699430), (386, 40686580), (395, 39759544), (440, 35693227), (632, 24849715), (772, 20343290), (790, 19879772), (869, 18072520), (965, 16274632), (1544, 10171645), (1580, 9939886), (1738, 9036260), (1930, 8137316), (2123, 7397560), (2341, 6708680), (3160, 4969943), (3476, 4518130), (3860, 4068658), (4246, 3698780), (4345, 3614504), (4682, 3354340), (6952, 2259065), (7720, 2034329), (8492, 1849390), (8690, 1807252), (9364, 1677170), (10615, 1479512), (11705, 1341736), (15247, 1030040), (16984, 924695), (17380, 903626), (18728, 838585), (21230, 739756), (23410, 670868), (25751, 609880), (30494, 515020), (34760, 451813), (42460, 369878), (46820, 335434), (51502, 304940), (60988, 257510), (76235, 206008), (84920, 184939), (93640, 167717), (103004, 152470), (121976, 128755)]