20160180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2383}}^1$

素因数の和:2445

約数の個数: 72

約数和(自身を含む): 62479872

約数和(自身を除く): 42319692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2383, 2820, 4230, 4766, 7149, 8460, 9532, 11915, 14298, 21447, 23830, 28596, 35745, 42894, 47660, 71490, 85788, 107235, 112001, 142980, 214470, 224002, 336003, 428940, 448004, 560005, 672006, 1008009, 1120010, 1344012, 1680015, 2016018, 2240020, 3360030, 4032036, 5040045, 6720060, 10080090, 20160180]

約数ペア:

[(1, 20160180), (2, 10080090), (3, 6720060), (4, 5040045), (5, 4032036), (6, 3360030), (9, 2240020), (10, 2016018), (12, 1680015), (15, 1344012), (18, 1120010), (20, 1008009), (30, 672006), (36, 560005), (45, 448004), (47, 428940), (60, 336003), (90, 224002), (94, 214470), (141, 142980), (180, 112001), (188, 107235), (235, 85788), (282, 71490), (423, 47660), (470, 42894), (564, 35745), (705, 28596), (846, 23830), (940, 21447), (1410, 14298), (1692, 11915), (2115, 9532), (2383, 8460), (2820, 7149), (4230, 4766)]