About the Number

128682480

128682479 ← → 128682481

2進数表記:111101010111000100111110000

漢数字表記:一億二千八百六十八万二千四百八十

素因数分解:

2 4 × 3 1 × 5 1 × 107 1 × 5011 1

素因数の和:5134
約数の個数: 80
約数和(自身を含む): 402724224
約数和(自身を除く): 274041744

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3210, 4280, 5011, 5136, 6420, 8560, 10022, 12840, 15033, 20044, 25055, 25680, 30066, 40088, 50110, 60132, 75165, 80176, 100220, 120264, 150330, 200440, 240528, 300660, 400880, 536177, 601320, 1072354, 1202640, 1608531, 2144708, 2680885, 3217062, 4289416, 5361770, 6434124, 8042655, 8578832, 10723540, 12868248, 16085310, 21447080, 25736496, 32170620, 42894160, 64341240, 128682480]

約数ペア:
[(1, 128682480), (2, 64341240), (3, 42894160), (4, 32170620), (5, 25736496), (6, 21447080), (8, 16085310), (10, 12868248), (12, 10723540), (15, 8578832), (16, 8042655), (20, 6434124), (24, 5361770), (30, 4289416), (40, 3217062), (48, 2680885), (60, 2144708), (80, 1608531), (107, 1202640), (120, 1072354), (214, 601320), (240, 536177), (321, 400880), (428, 300660), (535, 240528), (642, 200440), (856, 150330), (1070, 120264), (1284, 100220), (1605, 80176), (1712, 75165), (2140, 60132), (2568, 50110), (3210, 40088), (4280, 30066), (5011, 25680), (5136, 25055), (6420, 20044), (8560, 15033), (10022, 12840)]

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