About the Number

66980640

66980639 ← → 66980641

2進数表記:11111111100000101100100000

漢数字表記:六千六百九十八万六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 47 1 × 2969 1

素因数の和:3034
約数の個数: 96
約数和(自身を含む): 215550720
約数和(自身を除く): 148570080

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 80, 94, 96, 120, 141, 160, 188, 235, 240, 282, 376, 470, 480, 564, 705, 752, 940, 1128, 1410, 1504, 1880, 2256, 2820, 2969, 3760, 4512, 5640, 5938, 7520, 8907, 11280, 11876, 14845, 17814, 22560, 23752, 29690, 35628, 44535, 47504, 59380, 71256, 89070, 95008, 118760, 139543, 142512, 178140, 237520, 279086, 285024, 356280, 418629, 475040, 558172, 697715, 712560, 837258, 1116344, 1395430, 1425120, 1674516, 2093145, 2232688, 2790860, 3349032, 4186290, 4465376, 5581720, 6698064, 8372580, 11163440, 13396128, 16745160, 22326880, 33490320, 66980640]

約数ペア:
[(1, 66980640), (2, 33490320), (3, 22326880), (4, 16745160), (5, 13396128), (6, 11163440), (8, 8372580), (10, 6698064), (12, 5581720), (15, 4465376), (16, 4186290), (20, 3349032), (24, 2790860), (30, 2232688), (32, 2093145), (40, 1674516), (47, 1425120), (48, 1395430), (60, 1116344), (80, 837258), (94, 712560), (96, 697715), (120, 558172), (141, 475040), (160, 418629), (188, 356280), (235, 285024), (240, 279086), (282, 237520), (376, 178140), (470, 142512), (480, 139543), (564, 118760), (705, 95008), (752, 89070), (940, 71256), (1128, 59380), (1410, 47504), (1504, 44535), (1880, 35628), (2256, 29690), (2820, 23752), (2969, 22560), (3760, 17814), (4512, 14845), (5640, 11876), (5938, 11280), (7520, 8907)]

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