51668120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 141834240

約数和(自身を除く): 90166120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 71, 92, 113, 115, 140, 142, 161, 184, 226, 230, 280, 284, 322, 355, 452, 460, 497, 565, 568, 644, 710, 791, 805, 904, 920, 994, 1130, 1288, 1420, 1582, 1610, 1633, 1988, 2260, 2485, 2599, 2840, 3164, 3220, 3266, 3955, 3976, 4520, 4970, 5198, 6328, 6440, 6532, 7910, 8023, 8165, 9940, 10396, 11431, 12995, 13064, 15820, 16046, 16330, 18193, 19880, 20792, 22862, 25990, 31640, 32092, 32660, 36386, 40115, 45724, 51980, 56161, 57155, 64184, 65320, 72772, 80230, 90965, 91448, 103960, 112322, 114310, 145544, 160460, 181930, 184529, 224644, 228620, 280805, 320920, 363860, 369058, 449288, 457240, 561610, 727720, 738116, 922645, 1123220, 1291703, 1476232, 1845290, 2246440, 2583406, 3690580, 5166812, 6458515, 7381160, 10333624, 12917030, 25834060, 51668120]

約数ペア:

[(1, 51668120), (2, 25834060), (4, 12917030), (5, 10333624), (7, 7381160), (8, 6458515), (10, 5166812), (14, 3690580), (20, 2583406), (23, 2246440), (28, 1845290), (35, 1476232), (40, 1291703), (46, 1123220), (56, 922645), (70, 738116), (71, 727720), (92, 561610), (113, 457240), (115, 449288), (140, 369058), (142, 363860), (161, 320920), (184, 280805), (226, 228620), (230, 224644), (280, 184529), (284, 181930), (322, 160460), (355, 145544), (452, 114310), (460, 112322), (497, 103960), (565, 91448), (568, 90965), (644, 80230), (710, 72772), (791, 65320), (805, 64184), (904, 57155), (920, 56161), (994, 51980), (1130, 45724), (1288, 40115), (1420, 36386), (1582, 32660), (1610, 32092), (1633, 31640), (1988, 25990), (2260, 22862), (2485, 20792), (2599, 19880), (2840, 18193), (3164, 16330), (3220, 16046), (3266, 15820), (3955, 13064), (3976, 12995), (4520, 11431), (4970, 10396), (5198, 9940), (6328, 8165), (6440, 8023), (6532, 7910)]