204764520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89809}}^1$

素因数の和:89842

約数の個数: 64

約数和(自身を含む): 646632000

約数和(自身を除く): 441867480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 89809, 179618, 269427, 359236, 449045, 538854, 718472, 898090, 1077708, 1347135, 1706371, 1796180, 2155416, 2694270, 3412742, 3592360, 5119113, 5388540, 6825484, 8531855, 10238226, 10777080, 13650968, 17063710, 20476452, 25595565, 34127420, 40952904, 51191130, 68254840, 102382260, 204764520]

約数ペア:

[(1, 204764520), (2, 102382260), (3, 68254840), (4, 51191130), (5, 40952904), (6, 34127420), (8, 25595565), (10, 20476452), (12, 17063710), (15, 13650968), (19, 10777080), (20, 10238226), (24, 8531855), (30, 6825484), (38, 5388540), (40, 5119113), (57, 3592360), (60, 3412742), (76, 2694270), (95, 2155416), (114, 1796180), (120, 1706371), (152, 1347135), (190, 1077708), (228, 898090), (285, 718472), (380, 538854), (456, 449045), (570, 359236), (760, 269427), (1140, 179618), (2280, 89809)]