120427840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28949}}^1$

素因数の和:28979

約数の個数: 56

約数和(自身を含む): 308838600

約数和(自身を除く): 188410760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 28949, 57898, 115796, 144745, 231592, 289490, 376337, 463184, 578980, 752674, 926368, 1157960, 1505348, 1852736, 1881685, 2315920, 3010696, 3763370, 4631840, 6021392, 7526740, 9263680, 12042784, 15053480, 24085568, 30106960, 60213920, 120427840]

約数ペア:

[(1, 120427840), (2, 60213920), (4, 30106960), (5, 24085568), (8, 15053480), (10, 12042784), (13, 9263680), (16, 7526740), (20, 6021392), (26, 4631840), (32, 3763370), (40, 3010696), (52, 2315920), (64, 1881685), (65, 1852736), (80, 1505348), (104, 1157960), (130, 926368), (160, 752674), (208, 578980), (260, 463184), (320, 376337), (416, 289490), (520, 231592), (832, 144745), (1040, 115796), (2080, 57898), (4160, 28949)]