26861580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1889}}^1$

素因数の和:1983

約数の個数: 72

約数和(自身を含む): 82555200

約数和(自身を除く): 55693620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 1889, 2370, 2844, 3555, 3778, 4740, 5667, 7110, 7556, 9445, 11334, 14220, 17001, 18890, 22668, 28335, 34002, 37780, 56670, 68004, 85005, 113340, 149231, 170010, 298462, 340020, 447693, 596924, 746155, 895386, 1343079, 1492310, 1790772, 2238465, 2686158, 2984620, 4476930, 5372316, 6715395, 8953860, 13430790, 26861580]

約数ペア:

[(1, 26861580), (2, 13430790), (3, 8953860), (4, 6715395), (5, 5372316), (6, 4476930), (9, 2984620), (10, 2686158), (12, 2238465), (15, 1790772), (18, 1492310), (20, 1343079), (30, 895386), (36, 746155), (45, 596924), (60, 447693), (79, 340020), (90, 298462), (158, 170010), (180, 149231), (237, 113340), (316, 85005), (395, 68004), (474, 56670), (711, 37780), (790, 34002), (948, 28335), (1185, 22668), (1422, 18890), (1580, 17001), (1889, 14220), (2370, 11334), (2844, 9445), (3555, 7556), (3778, 7110), (4740, 5667)]