321840120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{383143}}^1$

素因数の和:383164

約数の個数: 64

約数和(自身を含む): 1103454720

約数和(自身を除く): 781614600

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, 383143, 766286, 1149429, 1532572, 1915715, 2298858, 2682001, 3065144, 3831430, 4597716, 5364002, 5747145, 7662860, 8046003, 9195432, 10728004, 11494290, 13410005, 15325720, 16092006, 21456008, 22988580, 26820010, 32184012, 40230015, 45977160, 53640020, 64368024, 80460030, 107280040, 160920060, 321840120]

約数ペア:

[(1, 321840120), (2, 160920060), (3, 107280040), (4, 80460030), (5, 64368024), (6, 53640020), (7, 45977160), (8, 40230015), (10, 32184012), (12, 26820010), (14, 22988580), (15, 21456008), (20, 16092006), (21, 15325720), (24, 13410005), (28, 11494290), (30, 10728004), (35, 9195432), (40, 8046003), (42, 7662860), (56, 5747145), (60, 5364002), (70, 4597716), (84, 3831430), (105, 3065144), (120, 2682001), (140, 2298858), (168, 1915715), (210, 1532572), (280, 1149429), (420, 766286), (840, 383143)]