127743980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 346421376

約数和(自身を除く): 218677396

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 49, 52, 65, 70, 74, 91, 98, 130, 140, 148, 182, 185, 196, 245, 259, 260, 271, 364, 370, 455, 481, 490, 518, 542, 637, 740, 910, 962, 980, 1036, 1084, 1274, 1295, 1355, 1813, 1820, 1897, 1924, 2405, 2548, 2590, 2710, 3185, 3367, 3523, 3626, 3794, 4810, 5180, 5420, 6370, 6734, 7046, 7252, 7588, 9065, 9485, 9620, 10027, 12740, 13279, 13468, 14092, 16835, 17615, 18130, 18970, 20054, 23569, 24661, 26558, 33670, 35230, 36260, 37940, 40108, 47138, 49322, 50135, 53116, 66395, 67340, 70189, 70460, 94276, 98644, 100270, 117845, 123305, 130351, 132790, 140378, 172627, 200540, 235690, 246610, 260702, 265580, 280756, 345254, 350945, 471380, 491323, 493220, 521404, 651755, 690508, 701890, 863135, 912457, 982646, 1303510, 1403780, 1726270, 1824914, 1965292, 2456615, 2607020, 3452540, 3649828, 4562285, 4913230, 6387199, 9124570, 9826460, 12774398, 18249140, 25548796, 31935995, 63871990, 127743980]

約数ペア:

[(1, 127743980), (2, 63871990), (4, 31935995), (5, 25548796), (7, 18249140), (10, 12774398), (13, 9826460), (14, 9124570), (20, 6387199), (26, 4913230), (28, 4562285), (35, 3649828), (37, 3452540), (49, 2607020), (52, 2456615), (65, 1965292), (70, 1824914), (74, 1726270), (91, 1403780), (98, 1303510), (130, 982646), (140, 912457), (148, 863135), (182, 701890), (185, 690508), (196, 651755), (245, 521404), (259, 493220), (260, 491323), (271, 471380), (364, 350945), (370, 345254), (455, 280756), (481, 265580), (490, 260702), (518, 246610), (542, 235690), (637, 200540), (740, 172627), (910, 140378), (962, 132790), (980, 130351), (1036, 123305), (1084, 117845), (1274, 100270), (1295, 98644), (1355, 94276), (1813, 70460), (1820, 70189), (1897, 67340), (1924, 66395), (2405, 53116), (2548, 50135), (2590, 49322), (2710, 47138), (3185, 40108), (3367, 37940), (3523, 36260), (3626, 35230), (3794, 33670), (4810, 26558), (5180, 24661), (5420, 23569), (6370, 20054), (6734, 18970), (7046, 18130), (7252, 17615), (7588, 16835), (9065, 14092), (9485, 13468), (9620, 13279), (10027, 12740)]