81322470

素因数分解:

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

素因数の和:2554

約数の個数: 72

約数和(自身を含む): 223241616

約数和(自身を除く): 141919146

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 361, 570, 722, 855, 1083, 1710, 1805, 2166, 2503, 3249, 3610, 5006, 5415, 6498, 7509, 10830, 12515, 15018, 16245, 22527, 25030, 32490, 37545, 45054, 47557, 75090, 95114, 112635, 142671, 225270, 237785, 285342, 428013, 475570, 713355, 856026, 903583, 1426710, 1807166, 2140065, 2710749, 4280130, 4517915, 5421498, 8132247, 9035830, 13553745, 16264494, 27107490, 40661235, 81322470]

約数ペア:

[(1, 81322470), (2, 40661235), (3, 27107490), (5, 16264494), (6, 13553745), (9, 9035830), (10, 8132247), (15, 5421498), (18, 4517915), (19, 4280130), (30, 2710749), (38, 2140065), (45, 1807166), (57, 1426710), (90, 903583), (95, 856026), (114, 713355), (171, 475570), (190, 428013), (285, 285342), (342, 237785), (361, 225270), (570, 142671), (722, 112635), (855, 95114), (1083, 75090), (1710, 47557), (1805, 45054), (2166, 37545), (2503, 32490), (3249, 25030), (3610, 22527), (5006, 16245), (5415, 15018), (6498, 12515), (7509, 10830)]