157054520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1171}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 405043200

約数和(自身を除く): 247988680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 479, 958, 1171, 1916, 2342, 2395, 3353, 3832, 4684, 4790, 5855, 6706, 8197, 9368, 9580, 11710, 13412, 16394, 16765, 19160, 23420, 26824, 32788, 33530, 40985, 46840, 65576, 67060, 81970, 134120, 163940, 327880, 560909, 1121818, 2243636, 2804545, 3926363, 4487272, 5609090, 7852726, 11218180, 15705452, 19631815, 22436360, 31410904, 39263630, 78527260, 157054520]

約数ペア:

[(1, 157054520), (2, 78527260), (4, 39263630), (5, 31410904), (7, 22436360), (8, 19631815), (10, 15705452), (14, 11218180), (20, 7852726), (28, 5609090), (35, 4487272), (40, 3926363), (56, 2804545), (70, 2243636), (140, 1121818), (280, 560909), (479, 327880), (958, 163940), (1171, 134120), (1916, 81970), (2342, 67060), (2395, 65576), (3353, 46840), (3832, 40985), (4684, 33530), (4790, 32788), (5855, 26824), (6706, 23420), (8197, 19160), (9368, 16765), (9580, 16394), (11710, 13412)]