51815820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1153}}^1$

素因数の和:1279

約数の個数: 96

約数和(自身を含む): 167505408

約数和(自身を除く): 115689588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 420, 428, 535, 642, 749, 1070, 1153, 1284, 1498, 1605, 2140, 2247, 2306, 2996, 3210, 3459, 3745, 4494, 4612, 5765, 6420, 6918, 7490, 8071, 8988, 11235, 11530, 13836, 14980, 16142, 17295, 22470, 23060, 24213, 32284, 34590, 40355, 44940, 48426, 69180, 80710, 96852, 121065, 123371, 161420, 242130, 246742, 370113, 484260, 493484, 616855, 740226, 863597, 1233710, 1480452, 1727194, 1850565, 2467420, 2590791, 3454388, 3701130, 4317985, 5181582, 7402260, 8635970, 10363164, 12953955, 17271940, 25907910, 51815820]

約数ペア:

[(1, 51815820), (2, 25907910), (3, 17271940), (4, 12953955), (5, 10363164), (6, 8635970), (7, 7402260), (10, 5181582), (12, 4317985), (14, 3701130), (15, 3454388), (20, 2590791), (21, 2467420), (28, 1850565), (30, 1727194), (35, 1480452), (42, 1233710), (60, 863597), (70, 740226), (84, 616855), (105, 493484), (107, 484260), (140, 370113), (210, 246742), (214, 242130), (321, 161420), (420, 123371), (428, 121065), (535, 96852), (642, 80710), (749, 69180), (1070, 48426), (1153, 44940), (1284, 40355), (1498, 34590), (1605, 32284), (2140, 24213), (2247, 23060), (2306, 22470), (2996, 17295), (3210, 16142), (3459, 14980), (3745, 13836), (4494, 11530), (4612, 11235), (5765, 8988), (6420, 8071), (6918, 7490)]