320404560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{190717}}^1$

素因数の和:190740

約数の個数: 80

約数和(自身を含む): 1135153536

約数和(自身を除く): 814748976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 190717, 381434, 572151, 762868, 953585, 1144302, 1335019, 1525736, 1907170, 2288604, 2670038, 2860755, 3051472, 3814340, 4005057, 4577208, 5340076, 5721510, 6675095, 7628680, 8010114, 9154416, 10680152, 11443020, 13350190, 15257360, 16020228, 20025285, 21360304, 22886040, 26700380, 32040456, 40050570, 45772080, 53400760, 64080912, 80101140, 106801520, 160202280, 320404560]

約数ペア:

[(1, 320404560), (2, 160202280), (3, 106801520), (4, 80101140), (5, 64080912), (6, 53400760), (7, 45772080), (8, 40050570), (10, 32040456), (12, 26700380), (14, 22886040), (15, 21360304), (16, 20025285), (20, 16020228), (21, 15257360), (24, 13350190), (28, 11443020), (30, 10680152), (35, 9154416), (40, 8010114), (42, 7628680), (48, 6675095), (56, 5721510), (60, 5340076), (70, 4577208), (80, 4005057), (84, 3814340), (105, 3051472), (112, 2860755), (120, 2670038), (140, 2288604), (168, 1907170), (210, 1525736), (240, 1335019), (280, 1144302), (336, 953585), (420, 762868), (560, 572151), (840, 381434), (1680, 190717)]