72770320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 194630400

約数和(自身を除く): 121860080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 653, 796, 995, 1306, 1393, 1592, 1990, 2612, 2786, 3184, 3265, 3980, 4571, 5224, 5572, 6530, 6965, 7960, 9142, 10448, 11144, 13060, 13930, 15920, 18284, 22288, 22855, 26120, 27860, 36568, 45710, 52240, 55720, 73136, 91420, 111440, 129947, 182840, 259894, 365680, 519788, 649735, 909629, 1039576, 1299470, 1819258, 2079152, 2598940, 3638516, 4548145, 5197880, 7277032, 9096290, 10395760, 14554064, 18192580, 36385160, 72770320]

約数ペア:

[(1, 72770320), (2, 36385160), (4, 18192580), (5, 14554064), (7, 10395760), (8, 9096290), (10, 7277032), (14, 5197880), (16, 4548145), (20, 3638516), (28, 2598940), (35, 2079152), (40, 1819258), (56, 1299470), (70, 1039576), (80, 909629), (112, 649735), (140, 519788), (199, 365680), (280, 259894), (398, 182840), (560, 129947), (653, 111440), (796, 91420), (995, 73136), (1306, 55720), (1393, 52240), (1592, 45710), (1990, 36568), (2612, 27860), (2786, 26120), (3184, 22855), (3265, 22288), (3980, 18284), (4571, 15920), (5224, 13930), (5572, 13060), (6530, 11144), (6965, 10448), (7960, 9142)]