138533940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40507}}^1$

素因数の和:40541

約数の個数: 72

約数和(自身を含む): 442347360

約数和(自身を除く): 303813420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 40507, 81014, 121521, 162028, 202535, 243042, 364563, 405070, 486084, 607605, 729126, 769633, 810140, 1215210, 1458252, 1539266, 1822815, 2308899, 2430420, 3078532, 3645630, 3848165, 4617798, 6926697, 7291260, 7696330, 9235596, 11544495, 13853394, 15392660, 23088990, 27706788, 34633485, 46177980, 69266970, 138533940]

約数ペア:

[(1, 138533940), (2, 69266970), (3, 46177980), (4, 34633485), (5, 27706788), (6, 23088990), (9, 15392660), (10, 13853394), (12, 11544495), (15, 9235596), (18, 7696330), (19, 7291260), (20, 6926697), (30, 4617798), (36, 3848165), (38, 3645630), (45, 3078532), (57, 2430420), (60, 2308899), (76, 1822815), (90, 1539266), (95, 1458252), (114, 1215210), (171, 810140), (180, 769633), (190, 729126), (228, 607605), (285, 486084), (342, 405070), (380, 364563), (570, 243042), (684, 202535), (855, 162028), (1140, 121521), (1710, 81014), (3420, 40507)]