131377260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{743}}^1$

素因数の和:1183

約数の個数: 96

約数和(自身を含む): 421972992

約数和(自身を除く): 290595732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 421, 743, 842, 1263, 1486, 1684, 2105, 2229, 2526, 2947, 2972, 3715, 4210, 4458, 5052, 5201, 5894, 6315, 7430, 8420, 8841, 8916, 10402, 11145, 11788, 12630, 14735, 14860, 15603, 17682, 20804, 22290, 25260, 26005, 29470, 31206, 35364, 44205, 44580, 52010, 58940, 62412, 78015, 88410, 104020, 156030, 176820, 312060, 312803, 625606, 938409, 1251212, 1564015, 1876818, 2189621, 3128030, 3753636, 4379242, 4692045, 6256060, 6568863, 8758484, 9384090, 10948105, 13137726, 18768180, 21896210, 26275452, 32844315, 43792420, 65688630, 131377260]

約数ペア:

[(1, 131377260), (2, 65688630), (3, 43792420), (4, 32844315), (5, 26275452), (6, 21896210), (7, 18768180), (10, 13137726), (12, 10948105), (14, 9384090), (15, 8758484), (20, 6568863), (21, 6256060), (28, 4692045), (30, 4379242), (35, 3753636), (42, 3128030), (60, 2189621), (70, 1876818), (84, 1564015), (105, 1251212), (140, 938409), (210, 625606), (420, 312803), (421, 312060), (743, 176820), (842, 156030), (1263, 104020), (1486, 88410), (1684, 78015), (2105, 62412), (2229, 58940), (2526, 52010), (2947, 44580), (2972, 44205), (3715, 35364), (4210, 31206), (4458, 29470), (5052, 26005), (5201, 25260), (5894, 22290), (6315, 20804), (7430, 17682), (8420, 15603), (8841, 14860), (8916, 14735), (10402, 12630), (11145, 11788)]