51891720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3301}}^1$

素因数の和:3446

約数の個数: 64

約数和(自身を含む): 156911040

約数和(自身を除く): 105019320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3301, 3930, 5240, 6602, 7860, 9903, 13204, 15720, 16505, 19806, 26408, 33010, 39612, 49515, 66020, 79224, 99030, 132040, 198060, 396120, 432431, 864862, 1297293, 1729724, 2162155, 2594586, 3459448, 4324310, 5189172, 6486465, 8648620, 10378344, 12972930, 17297240, 25945860, 51891720]

約数ペア:

[(1, 51891720), (2, 25945860), (3, 17297240), (4, 12972930), (5, 10378344), (6, 8648620), (8, 6486465), (10, 5189172), (12, 4324310), (15, 3459448), (20, 2594586), (24, 2162155), (30, 1729724), (40, 1297293), (60, 864862), (120, 432431), (131, 396120), (262, 198060), (393, 132040), (524, 99030), (655, 79224), (786, 66020), (1048, 49515), (1310, 39612), (1572, 33010), (1965, 26408), (2620, 19806), (3144, 16505), (3301, 15720), (3930, 13204), (5240, 9903), (6602, 7860)]