About the Number

13280820

13280819 ← → 13280821

2進数表記:110010101010011000110100

漢数字表記:千三百二十八万八百二十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 103 1 × 307 1

素因数の和:429
約数の個数: 96
約数和(自身を含む): 43051008
約数和(自身を除く): 29770188

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 307, 309, 412, 420, 515, 614, 618, 721, 921, 1030, 1228, 1236, 1442, 1535, 1545, 1842, 2060, 2149, 2163, 2884, 3070, 3090, 3605, 3684, 4298, 4326, 4605, 6140, 6180, 6447, 7210, 8596, 8652, 9210, 10745, 10815, 12894, 14420, 18420, 21490, 21630, 25788, 31621, 32235, 42980, 43260, 63242, 64470, 94863, 126484, 128940, 158105, 189726, 221347, 316210, 379452, 442694, 474315, 632420, 664041, 885388, 948630, 1106735, 1328082, 1897260, 2213470, 2656164, 3320205, 4426940, 6640410, 13280820]

約数ペア:
[(1, 13280820), (2, 6640410), (3, 4426940), (4, 3320205), (5, 2656164), (6, 2213470), (7, 1897260), (10, 1328082), (12, 1106735), (14, 948630), (15, 885388), (20, 664041), (21, 632420), (28, 474315), (30, 442694), (35, 379452), (42, 316210), (60, 221347), (70, 189726), (84, 158105), (103, 128940), (105, 126484), (140, 94863), (206, 64470), (210, 63242), (307, 43260), (309, 42980), (412, 32235), (420, 31621), (515, 25788), (614, 21630), (618, 21490), (721, 18420), (921, 14420), (1030, 12894), (1228, 10815), (1236, 10745), (1442, 9210), (1535, 8652), (1545, 8596), (1842, 7210), (2060, 6447), (2149, 6180), (2163, 6140), (2884, 4605), (3070, 4326), (3090, 4298), (3605, 3684)]

このpageの処理時間: 0.0031392574310302734 seconds