15818940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3821}}^1$

素因数の和:3859

約数の個数: 72

約数和(自身を含む): 50083488

約数和(自身を除く): 34264548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 3821, 4140, 7642, 11463, 15284, 19105, 22926, 34389, 38210, 45852, 57315, 68778, 76420, 87883, 114630, 137556, 171945, 175766, 229260, 263649, 343890, 351532, 439415, 527298, 687780, 790947, 878830, 1054596, 1318245, 1581894, 1757660, 2636490, 3163788, 3954735, 5272980, 7909470, 15818940]

約数ペア:

[(1, 15818940), (2, 7909470), (3, 5272980), (4, 3954735), (5, 3163788), (6, 2636490), (9, 1757660), (10, 1581894), (12, 1318245), (15, 1054596), (18, 878830), (20, 790947), (23, 687780), (30, 527298), (36, 439415), (45, 351532), (46, 343890), (60, 263649), (69, 229260), (90, 175766), (92, 171945), (115, 137556), (138, 114630), (180, 87883), (207, 76420), (230, 68778), (276, 57315), (345, 45852), (414, 38210), (460, 34389), (690, 22926), (828, 19105), (1035, 15284), (1380, 11463), (2070, 7642), (3821, 4140)]