15875020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 39414816

約数和(自身を除く): 23539796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 167, 194, 196, 245, 334, 388, 485, 490, 668, 679, 835, 970, 980, 1169, 1358, 1670, 1940, 2338, 2716, 3340, 3395, 4676, 4753, 5845, 6790, 8183, 9506, 11690, 13580, 16199, 16366, 19012, 23380, 23765, 32398, 32732, 40915, 47530, 64796, 80995, 81830, 95060, 113393, 161990, 163660, 226786, 323980, 453572, 566965, 793751, 1133930, 1587502, 2267860, 3175004, 3968755, 7937510, 15875020]

約数ペア:

[(1, 15875020), (2, 7937510), (4, 3968755), (5, 3175004), (7, 2267860), (10, 1587502), (14, 1133930), (20, 793751), (28, 566965), (35, 453572), (49, 323980), (70, 226786), (97, 163660), (98, 161990), (140, 113393), (167, 95060), (194, 81830), (196, 80995), (245, 64796), (334, 47530), (388, 40915), (485, 32732), (490, 32398), (668, 23765), (679, 23380), (835, 19012), (970, 16366), (980, 16199), (1169, 13580), (1358, 11690), (1670, 9506), (1940, 8183), (2338, 6790), (2716, 5845), (3340, 4753), (3395, 4676)]