28179660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1301}}^1$

素因数の和:1351

約数の個数: 72

約数和(自身を含む): 83338416

約数和(自身を除く): 55158756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1301, 1444, 1805, 2166, 2602, 3610, 3903, 4332, 5204, 5415, 6505, 7220, 7806, 10830, 13010, 15612, 19515, 21660, 24719, 26020, 39030, 49438, 74157, 78060, 98876, 123595, 148314, 247190, 296628, 370785, 469661, 494380, 741570, 939322, 1408983, 1483140, 1878644, 2348305, 2817966, 4696610, 5635932, 7044915, 9393220, 14089830, 28179660]

約数ペア:

[(1, 28179660), (2, 14089830), (3, 9393220), (4, 7044915), (5, 5635932), (6, 4696610), (10, 2817966), (12, 2348305), (15, 1878644), (19, 1483140), (20, 1408983), (30, 939322), (38, 741570), (57, 494380), (60, 469661), (76, 370785), (95, 296628), (114, 247190), (190, 148314), (228, 123595), (285, 98876), (361, 78060), (380, 74157), (570, 49438), (722, 39030), (1083, 26020), (1140, 24719), (1301, 21660), (1444, 19515), (1805, 15612), (2166, 13010), (2602, 10830), (3610, 7806), (3903, 7220), (4332, 6505), (5204, 5415)]