15201550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 35127216

約数和(自身を除く): 19925666

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 169, 175, 182, 257, 325, 338, 350, 455, 514, 650, 845, 910, 1183, 1285, 1690, 1799, 2275, 2366, 2570, 3341, 3598, 4225, 4550, 5915, 6425, 6682, 8450, 8995, 11830, 12850, 16705, 17990, 23387, 29575, 33410, 43433, 44975, 46774, 59150, 83525, 86866, 89950, 116935, 167050, 217165, 233870, 304031, 434330, 584675, 608062, 1085825, 1169350, 1520155, 2171650, 3040310, 7600775, 15201550]

約数ペア:

[(1, 15201550), (2, 7600775), (5, 3040310), (7, 2171650), (10, 1520155), (13, 1169350), (14, 1085825), (25, 608062), (26, 584675), (35, 434330), (50, 304031), (65, 233870), (70, 217165), (91, 167050), (130, 116935), (169, 89950), (175, 86866), (182, 83525), (257, 59150), (325, 46774), (338, 44975), (350, 43433), (455, 33410), (514, 29575), (650, 23387), (845, 17990), (910, 16705), (1183, 12850), (1285, 11830), (1690, 8995), (1799, 8450), (2275, 6682), (2366, 6425), (2570, 5915), (3341, 4550), (3598, 4225)]