51480240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{30643}}^1$

素因数の和:30666

約数の個数: 80

約数和(自身を含む): 182393088

約数和(自身を除く): 130912848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 30643, 61286, 91929, 122572, 153215, 183858, 214501, 245144, 306430, 367716, 429002, 459645, 490288, 612860, 643503, 735432, 858004, 919290, 1072505, 1225720, 1287006, 1470864, 1716008, 1838580, 2145010, 2451440, 2574012, 3217515, 3432016, 3677160, 4290020, 5148024, 6435030, 7354320, 8580040, 10296048, 12870060, 17160080, 25740120, 51480240]

約数ペア:

[(1, 51480240), (2, 25740120), (3, 17160080), (4, 12870060), (5, 10296048), (6, 8580040), (7, 7354320), (8, 6435030), (10, 5148024), (12, 4290020), (14, 3677160), (15, 3432016), (16, 3217515), (20, 2574012), (21, 2451440), (24, 2145010), (28, 1838580), (30, 1716008), (35, 1470864), (40, 1287006), (42, 1225720), (48, 1072505), (56, 919290), (60, 858004), (70, 735432), (80, 643503), (84, 612860), (105, 490288), (112, 459645), (120, 429002), (140, 367716), (168, 306430), (210, 245144), (240, 214501), (280, 183858), (336, 153215), (420, 122572), (560, 91929), (840, 61286), (1680, 30643)]