206418780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{42473}}^1$

素因数の和:42497

約数の個数: 72

約数和(自身を含む): 649342512

約数和(自身を除く): 442923732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 42473, 84946, 127419, 169892, 212365, 254838, 382257, 424730, 509676, 637095, 764514, 849460, 1146771, 1274190, 1529028, 1911285, 2293542, 2548380, 3440313, 3822570, 4587084, 5733855, 6880626, 7645140, 10320939, 11467710, 13761252, 17201565, 20641878, 22935420, 34403130, 41283756, 51604695, 68806260, 103209390, 206418780]

約数ペア:

[(1, 206418780), (2, 103209390), (3, 68806260), (4, 51604695), (5, 41283756), (6, 34403130), (9, 22935420), (10, 20641878), (12, 17201565), (15, 13761252), (18, 11467710), (20, 10320939), (27, 7645140), (30, 6880626), (36, 5733855), (45, 4587084), (54, 3822570), (60, 3440313), (81, 2548380), (90, 2293542), (108, 1911285), (135, 1529028), (162, 1274190), (180, 1146771), (243, 849460), (270, 764514), (324, 637095), (405, 509676), (486, 424730), (540, 382257), (810, 254838), (972, 212365), (1215, 169892), (1620, 127419), (2430, 84946), (4860, 42473)]