68040420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23143}}^1$

素因数の和:23169

約数の個数: 72

約数和(自身を含む): 221626944

約数和(自身を除く): 153586524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 23143, 46286, 69429, 92572, 115715, 138858, 162001, 231430, 277716, 324002, 347145, 462860, 486003, 648004, 694290, 810005, 972006, 1134007, 1388580, 1620010, 1944012, 2268014, 2430015, 3240020, 3402021, 4536028, 4860030, 5670035, 6804042, 9720060, 11340070, 13608084, 17010105, 22680140, 34020210, 68040420]

約数ペア:

[(1, 68040420), (2, 34020210), (3, 22680140), (4, 17010105), (5, 13608084), (6, 11340070), (7, 9720060), (10, 6804042), (12, 5670035), (14, 4860030), (15, 4536028), (20, 3402021), (21, 3240020), (28, 2430015), (30, 2268014), (35, 1944012), (42, 1620010), (49, 1388580), (60, 1134007), (70, 972006), (84, 810005), (98, 694290), (105, 648004), (140, 486003), (147, 462860), (196, 347145), (210, 324002), (245, 277716), (294, 231430), (420, 162001), (490, 138858), (588, 115715), (735, 92572), (980, 69429), (1470, 46286), (2940, 23143)]