81663900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{14327}}^1$

素因数の和:14363

約数の個数: 72

約数和(自身を含む): 248734080

約数和(自身を除く): 167070180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 5700, 14327, 28654, 42981, 57308, 71635, 85962, 143270, 171924, 214905, 272213, 286540, 358175, 429810, 544426, 716350, 816639, 859620, 1074525, 1088852, 1361065, 1432700, 1633278, 2149050, 2722130, 3266556, 4083195, 4298100, 5444260, 6805325, 8166390, 13610650, 16332780, 20415975, 27221300, 40831950, 81663900]

約数ペア:

[(1, 81663900), (2, 40831950), (3, 27221300), (4, 20415975), (5, 16332780), (6, 13610650), (10, 8166390), (12, 6805325), (15, 5444260), (19, 4298100), (20, 4083195), (25, 3266556), (30, 2722130), (38, 2149050), (50, 1633278), (57, 1432700), (60, 1361065), (75, 1088852), (76, 1074525), (95, 859620), (100, 816639), (114, 716350), (150, 544426), (190, 429810), (228, 358175), (285, 286540), (300, 272213), (380, 214905), (475, 171924), (570, 143270), (950, 85962), (1140, 71635), (1425, 57308), (1900, 42981), (2850, 28654), (5700, 14327)]