72221976

素因数分解:

$2^3\times 3^3\times {\mathrm{239}}^1\times {\mathrm{1399}}^1$

素因数の和:1653

約数の個数: 64

約数和(自身を含む): 201600000

約数和(自身を除く): 129378024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 239, 478, 717, 956, 1399, 1434, 1912, 2151, 2798, 2868, 4197, 4302, 5596, 5736, 6453, 8394, 8604, 11192, 12591, 12906, 16788, 17208, 25182, 25812, 33576, 37773, 50364, 51624, 75546, 100728, 151092, 302184, 334361, 668722, 1003083, 1337444, 2006166, 2674888, 3009249, 4012332, 6018498, 8024664, 9027747, 12036996, 18055494, 24073992, 36110988, 72221976]

約数ペア:

[(1, 72221976), (2, 36110988), (3, 24073992), (4, 18055494), (6, 12036996), (8, 9027747), (9, 8024664), (12, 6018498), (18, 4012332), (24, 3009249), (27, 2674888), (36, 2006166), (54, 1337444), (72, 1003083), (108, 668722), (216, 334361), (239, 302184), (478, 151092), (717, 100728), (956, 75546), (1399, 51624), (1434, 50364), (1912, 37773), (2151, 33576), (2798, 25812), (2868, 25182), (4197, 17208), (4302, 16788), (5596, 12906), (5736, 12591), (6453, 11192), (8394, 8604)]