About the Number
121780980
2進数表記:111010000100011101011110100
漢数字表記:一億二千百七十八万九百八十
素因数分解:
素因数の和:6445
約数の個数: 72
約数和(自身を含む): 372913632
約数和(自身を除く): 251132652
約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4815, 6323, 6420, 9630, 12646, 18969, 19260, 25292, 31615, 37938, 56907, 63230, 75876, 94845, 113814, 126460, 189690, 227628, 284535, 379380, 569070, 676561, 1138140, 1353122, 2029683, 2706244, 3382805, 4059366, 6089049, 6765610, 8118732, 10148415, 12178098, 13531220, 20296830, 24356196, 30445245, 40593660, 60890490, 121780980]
約数ペア:
[(1, 121780980), (2, 60890490), (3, 40593660), (4, 30445245), (5, 24356196), (6, 20296830), (9, 13531220), (10, 12178098), (12, 10148415), (15, 8118732), (18, 6765610), (20, 6089049), (30, 4059366), (36, 3382805), (45, 2706244), (60, 2029683), (90, 1353122), (107, 1138140), (180, 676561), (214, 569070), (321, 379380), (428, 284535), (535, 227628), (642, 189690), (963, 126460), (1070, 113814), (1284, 94845), (1605, 75876), (1926, 63230), (2140, 56907), (3210, 37938), (3852, 31615), (4815, 25292), (6323, 19260), (6420, 18969), (9630, 12646)]このpageの処理時間: 0.006003618240356445 seconds