12840390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2538

約数の個数: 64

約数和(自身を含む): 36057600

約数和(自身を除く): 23217210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2503, 2565, 5006, 5130, 7509, 12515, 15018, 22527, 25030, 37545, 45054, 47557, 67581, 75090, 95114, 112635, 135162, 142671, 225270, 237785, 285342, 337905, 428013, 475570, 675810, 713355, 856026, 1284039, 1426710, 2140065, 2568078, 4280130, 6420195, 12840390]

約数ペア:

[(1, 12840390), (2, 6420195), (3, 4280130), (5, 2568078), (6, 2140065), (9, 1426710), (10, 1284039), (15, 856026), (18, 713355), (19, 675810), (27, 475570), (30, 428013), (38, 337905), (45, 285342), (54, 237785), (57, 225270), (90, 142671), (95, 135162), (114, 112635), (135, 95114), (171, 75090), (190, 67581), (270, 47557), (285, 45054), (342, 37545), (513, 25030), (570, 22527), (855, 15018), (1026, 12515), (1710, 7509), (2503, 5130), (2565, 5006)]