15587980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 36868608

約数和(自身を除く): 21280628

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 127, 170, 190, 254, 323, 340, 361, 380, 508, 635, 646, 722, 1270, 1292, 1444, 1615, 1805, 2159, 2413, 2540, 3230, 3610, 4318, 4826, 6137, 6460, 7220, 8636, 9652, 10795, 12065, 12274, 21590, 24130, 24548, 30685, 41021, 43180, 45847, 48260, 61370, 82042, 91694, 122740, 164084, 183388, 205105, 229235, 410210, 458470, 779399, 820420, 916940, 1558798, 3117596, 3896995, 7793990, 15587980]

約数ペア:

[(1, 15587980), (2, 7793990), (4, 3896995), (5, 3117596), (10, 1558798), (17, 916940), (19, 820420), (20, 779399), (34, 458470), (38, 410210), (68, 229235), (76, 205105), (85, 183388), (95, 164084), (127, 122740), (170, 91694), (190, 82042), (254, 61370), (323, 48260), (340, 45847), (361, 43180), (380, 41021), (508, 30685), (635, 24548), (646, 24130), (722, 21590), (1270, 12274), (1292, 12065), (1444, 10795), (1615, 9652), (1805, 8636), (2159, 7220), (2413, 6460), (2540, 6137), (3230, 4826), (3610, 4318)]