28527240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33961}}^1$

素因数の和:33982

約数の個数: 64

約数和(自身を含む): 97810560

約数和(自身を除く): 69283320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33961, 67922, 101883, 135844, 169805, 203766, 237727, 271688, 339610, 407532, 475454, 509415, 679220, 713181, 815064, 950908, 1018830, 1188635, 1358440, 1426362, 1901816, 2037660, 2377270, 2852724, 3565905, 4075320, 4754540, 5705448, 7131810, 9509080, 14263620, 28527240]

約数ペア:

[(1, 28527240), (2, 14263620), (3, 9509080), (4, 7131810), (5, 5705448), (6, 4754540), (7, 4075320), (8, 3565905), (10, 2852724), (12, 2377270), (14, 2037660), (15, 1901816), (20, 1426362), (21, 1358440), (24, 1188635), (28, 1018830), (30, 950908), (35, 815064), (40, 713181), (42, 679220), (56, 509415), (60, 475454), (70, 407532), (84, 339610), (105, 271688), (120, 237727), (140, 203766), (168, 169805), (210, 135844), (280, 101883), (420, 67922), (840, 33961)]