180540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 589680

約数和(自身を除く): 409140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 102, 118, 153, 170, 177, 180, 204, 236, 255, 295, 306, 340, 354, 510, 531, 590, 612, 708, 765, 885, 1003, 1020, 1062, 1180, 1530, 1770, 2006, 2124, 2655, 3009, 3060, 3540, 4012, 5015, 5310, 6018, 9027, 10030, 10620, 12036, 15045, 18054, 20060, 30090, 36108, 45135, 60180, 90270, 180540]

約数ペア:

[(1, 180540), (2, 90270), (3, 60180), (4, 45135), (5, 36108), (6, 30090), (9, 20060), (10, 18054), (12, 15045), (15, 12036), (17, 10620), (18, 10030), (20, 9027), (30, 6018), (34, 5310), (36, 5015), (45, 4012), (51, 3540), (59, 3060), (60, 3009), (68, 2655), (85, 2124), (90, 2006), (102, 1770), (118, 1530), (153, 1180), (170, 1062), (177, 1020), (180, 1003), (204, 885), (236, 765), (255, 708), (295, 612), (306, 590), (340, 531), (354, 510)]