128484460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:911

約数の個数: 96

約数和(自身を含む): 316108800

約数和(自身を除く): 187624340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 839, 988, 1178, 1235, 1612, 1678, 2015, 2356, 2470, 2945, 3356, 4030, 4195, 4940, 5890, 7657, 8060, 8390, 10907, 11780, 15314, 15941, 16780, 21814, 26009, 30628, 31882, 38285, 43628, 52018, 54535, 63764, 76570, 79705, 104036, 109070, 130045, 153140, 159410, 207233, 218140, 260090, 318820, 338117, 414466, 494171, 520180, 676234, 828932, 988342, 1036165, 1352468, 1690585, 1976684, 2072330, 2470855, 3381170, 4144660, 4941710, 6424223, 6762340, 9883420, 12848446, 25696892, 32121115, 64242230, 128484460]

約数ペア:

[(1, 128484460), (2, 64242230), (4, 32121115), (5, 25696892), (10, 12848446), (13, 9883420), (19, 6762340), (20, 6424223), (26, 4941710), (31, 4144660), (38, 3381170), (52, 2470855), (62, 2072330), (65, 1976684), (76, 1690585), (95, 1352468), (124, 1036165), (130, 988342), (155, 828932), (190, 676234), (247, 520180), (260, 494171), (310, 414466), (380, 338117), (403, 318820), (494, 260090), (589, 218140), (620, 207233), (806, 159410), (839, 153140), (988, 130045), (1178, 109070), (1235, 104036), (1612, 79705), (1678, 76570), (2015, 63764), (2356, 54535), (2470, 52018), (2945, 43628), (3356, 38285), (4030, 31882), (4195, 30628), (4940, 26009), (5890, 21814), (7657, 16780), (8060, 15941), (8390, 15314), (10907, 11780)]