90721680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{54001}}^1$

素因数の和:54024

約数の個数: 80

約数和(自身を含む): 321419904

約数和(自身を除く): 230698224

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, 54001, 108002, 162003, 216004, 270005, 324006, 378007, 432008, 540010, 648012, 756014, 810015, 864016, 1080020, 1134021, 1296024, 1512028, 1620030, 1890035, 2160040, 2268042, 2592048, 3024056, 3240060, 3780070, 4320080, 4536084, 5670105, 6048112, 6480120, 7560140, 9072168, 11340210, 12960240, 15120280, 18144336, 22680420, 30240560, 45360840, 90721680]

約数ペア:

[(1, 90721680), (2, 45360840), (3, 30240560), (4, 22680420), (5, 18144336), (6, 15120280), (7, 12960240), (8, 11340210), (10, 9072168), (12, 7560140), (14, 6480120), (15, 6048112), (16, 5670105), (20, 4536084), (21, 4320080), (24, 3780070), (28, 3240060), (30, 3024056), (35, 2592048), (40, 2268042), (42, 2160040), (48, 1890035), (56, 1620030), (60, 1512028), (70, 1296024), (80, 1134021), (84, 1080020), (105, 864016), (112, 810015), (120, 756014), (140, 648012), (168, 540010), (210, 432008), (240, 378007), (280, 324006), (336, 270005), (420, 216004), (560, 162003), (840, 108002), (1680, 54001)]