75990180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{25847}}^1$

素因数の和:25873

約数の個数: 72

約数和(自身を含む): 247520448

約数和(自身を除く): 171530268

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, 25847, 51694, 77541, 103388, 129235, 155082, 180929, 258470, 310164, 361858, 387705, 516940, 542787, 723716, 775410, 904645, 1085574, 1266503, 1550820, 1809290, 2171148, 2533006, 2713935, 3618580, 3799509, 5066012, 5427870, 6332515, 7599018, 10855740, 12665030, 15198036, 18997545, 25330060, 37995090, 75990180]

約数ペア:

[(1, 75990180), (2, 37995090), (3, 25330060), (4, 18997545), (5, 15198036), (6, 12665030), (7, 10855740), (10, 7599018), (12, 6332515), (14, 5427870), (15, 5066012), (20, 3799509), (21, 3618580), (28, 2713935), (30, 2533006), (35, 2171148), (42, 1809290), (49, 1550820), (60, 1266503), (70, 1085574), (84, 904645), (98, 775410), (105, 723716), (140, 542787), (147, 516940), (196, 387705), (210, 361858), (245, 310164), (294, 258470), (420, 180929), (490, 155082), (588, 129235), (735, 103388), (980, 77541), (1470, 51694), (2940, 25847)]