About the Number

211072080

211072079 ← → 211072081

2進数表記:1100100101001011010001010000

漢数字表記:二億千百七万二千八十

素因数分解:

2 4 × 3 1 × 5 1 × 331 1 × 2657 1

素因数の和:3004
約数の個数: 80
約数和(自身を含む): 656547264
約数和(自身を除く): 445475184

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 993, 1324, 1655, 1986, 2648, 2657, 3310, 3972, 4965, 5296, 5314, 6620, 7944, 7971, 9930, 10628, 13240, 13285, 15888, 15942, 19860, 21256, 26480, 26570, 31884, 39720, 39855, 42512, 53140, 63768, 79440, 79710, 106280, 127536, 159420, 212560, 318840, 637680, 879467, 1758934, 2638401, 3517868, 4397335, 5276802, 7035736, 8794670, 10553604, 13192005, 14071472, 17589340, 21107208, 26384010, 35178680, 42214416, 52768020, 70357360, 105536040, 211072080]

約数ペア:
[(1, 211072080), (2, 105536040), (3, 70357360), (4, 52768020), (5, 42214416), (6, 35178680), (8, 26384010), (10, 21107208), (12, 17589340), (15, 14071472), (16, 13192005), (20, 10553604), (24, 8794670), (30, 7035736), (40, 5276802), (48, 4397335), (60, 3517868), (80, 2638401), (120, 1758934), (240, 879467), (331, 637680), (662, 318840), (993, 212560), (1324, 159420), (1655, 127536), (1986, 106280), (2648, 79710), (2657, 79440), (3310, 63768), (3972, 53140), (4965, 42512), (5296, 39855), (5314, 39720), (6620, 31884), (7944, 26570), (7971, 26480), (9930, 21256), (10628, 19860), (13240, 15942), (13285, 15888)]

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