155636780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13921}}^1$

素因数の和:13986

約数の個数: 48

約数和(自身を含む): 360189984

約数和(自身を除く): 204553204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 13921, 27842, 55684, 69605, 139210, 180973, 278420, 361946, 598603, 723892, 904865, 1197206, 1809730, 2394412, 2993015, 3619460, 5986030, 7781839, 11972060, 15563678, 31127356, 38909195, 77818390, 155636780]

約数ペア:

[(1, 155636780), (2, 77818390), (4, 38909195), (5, 31127356), (10, 15563678), (13, 11972060), (20, 7781839), (26, 5986030), (43, 3619460), (52, 2993015), (65, 2394412), (86, 1809730), (130, 1197206), (172, 904865), (215, 723892), (260, 598603), (430, 361946), (559, 278420), (860, 180973), (1118, 139210), (2236, 69605), (2795, 55684), (5590, 27842), (11180, 13921)]