161144800

素因数分解:

$2^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1283}}^1$

素因数の和:1460

約数の個数: 72

約数和(自身を含む): 396209016

約数和(自身を除く): 235064216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 200, 314, 400, 628, 785, 800, 1256, 1283, 1570, 2512, 2566, 3140, 3925, 5024, 5132, 6280, 6415, 7850, 10264, 12560, 12830, 15700, 20528, 25120, 25660, 31400, 32075, 41056, 51320, 62800, 64150, 102640, 125600, 128300, 201431, 205280, 256600, 402862, 513200, 805724, 1007155, 1026400, 1611448, 2014310, 3222896, 4028620, 5035775, 6445792, 8057240, 10071550, 16114480, 20143100, 32228960, 40286200, 80572400, 161144800]

約数ペア:

[(1, 161144800), (2, 80572400), (4, 40286200), (5, 32228960), (8, 20143100), (10, 16114480), (16, 10071550), (20, 8057240), (25, 6445792), (32, 5035775), (40, 4028620), (50, 3222896), (80, 2014310), (100, 1611448), (157, 1026400), (160, 1007155), (200, 805724), (314, 513200), (400, 402862), (628, 256600), (785, 205280), (800, 201431), (1256, 128300), (1283, 125600), (1570, 102640), (2512, 64150), (2566, 62800), (3140, 51320), (3925, 41056), (5024, 32075), (5132, 31400), (6280, 25660), (6415, 25120), (7850, 20528), (10264, 15700), (12560, 12830)]