2017061820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{487213}}^1$

素因数の和:487251

約数の個数: 72

約数和(自身を含む): 6384452256

約数和(自身を除く): 4367390436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 487213, 974426, 1461639, 1948852, 2436065, 2923278, 4384917, 4872130, 5846556, 7308195, 8769834, 9744260, 11205899, 14616390, 17539668, 21924585, 22411798, 29232780, 33617697, 43849170, 44823596, 56029495, 67235394, 87698340, 100853091, 112058990, 134470788, 168088485, 201706182, 224117980, 336176970, 403412364, 504265455, 672353940, 1008530910, 2017061820]

約数ペア:

[(1, 2017061820), (2, 1008530910), (3, 672353940), (4, 504265455), (5, 403412364), (6, 336176970), (9, 224117980), (10, 201706182), (12, 168088485), (15, 134470788), (18, 112058990), (20, 100853091), (23, 87698340), (30, 67235394), (36, 56029495), (45, 44823596), (46, 43849170), (60, 33617697), (69, 29232780), (90, 22411798), (92, 21924585), (115, 17539668), (138, 14616390), (180, 11205899), (207, 9744260), (230, 8769834), (276, 7308195), (345, 5846556), (414, 4872130), (460, 4384917), (690, 2923278), (828, 2436065), (1035, 1948852), (1380, 1461639), (2070, 974426), (4140, 487213)]