51321480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 177914880

約数和(自身を除く): 126593400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 571, 642, 749, 840, 856, 1070, 1142, 1284, 1498, 1605, 1713, 2140, 2247, 2284, 2568, 2855, 2996, 3210, 3426, 3745, 3997, 4280, 4494, 4568, 5710, 5992, 6420, 6852, 7490, 7994, 8565, 8988, 11235, 11420, 11991, 12840, 13704, 14980, 15988, 17130, 17976, 19985, 22470, 22840, 23982, 29960, 31976, 34260, 39970, 44940, 47964, 59955, 61097, 68520, 79940, 89880, 95928, 119910, 122194, 159880, 183291, 239820, 244388, 305485, 366582, 427679, 479640, 488776, 610970, 733164, 855358, 916455, 1221940, 1283037, 1466328, 1710716, 1832910, 2138395, 2443880, 2566074, 3421432, 3665820, 4276790, 5132148, 6415185, 7331640, 8553580, 10264296, 12830370, 17107160, 25660740, 51321480]

約数ペア:

[(1, 51321480), (2, 25660740), (3, 17107160), (4, 12830370), (5, 10264296), (6, 8553580), (7, 7331640), (8, 6415185), (10, 5132148), (12, 4276790), (14, 3665820), (15, 3421432), (20, 2566074), (21, 2443880), (24, 2138395), (28, 1832910), (30, 1710716), (35, 1466328), (40, 1283037), (42, 1221940), (56, 916455), (60, 855358), (70, 733164), (84, 610970), (105, 488776), (107, 479640), (120, 427679), (140, 366582), (168, 305485), (210, 244388), (214, 239820), (280, 183291), (321, 159880), (420, 122194), (428, 119910), (535, 95928), (571, 89880), (642, 79940), (749, 68520), (840, 61097), (856, 59955), (1070, 47964), (1142, 44940), (1284, 39970), (1498, 34260), (1605, 31976), (1713, 29960), (2140, 23982), (2247, 22840), (2284, 22470), (2568, 19985), (2855, 17976), (2996, 17130), (3210, 15988), (3426, 14980), (3745, 13704), (3997, 12840), (4280, 11991), (4494, 11420), (4568, 11235), (5710, 8988), (5992, 8565), (6420, 7994), (6852, 7490)]