About the Number

991072080

991072079 ← → 991072081

2進数表記:111011000100101000111101010000

漢数字表記:九億九千百七万二千八十

素因数分解:

2 4 × 3 2 × 5 1 × 47 1 × 29287 1

素因数の和:29353
約数の個数: 120
約数和(自身を含む): 3399282432
約数和(自身を除く): 2408210352

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 705, 720, 752, 846, 940, 1128, 1410, 1692, 1880, 2115, 2256, 2820, 3384, 3760, 4230, 5640, 6768, 8460, 11280, 16920, 29287, 33840, 58574, 87861, 117148, 146435, 175722, 234296, 263583, 292870, 351444, 439305, 468592, 527166, 585740, 702888, 878610, 1054332, 1171480, 1317915, 1376489, 1405776, 1757220, 2108664, 2342960, 2635830, 2752978, 3514440, 4129467, 4217328, 5271660, 5505956, 6882445, 7028880, 8258934, 10543320, 11011912, 12388401, 13764890, 16517868, 20647335, 21086640, 22023824, 24776802, 27529780, 33035736, 41294670, 49553604, 55059560, 61942005, 66071472, 82589340, 99107208, 110119120, 123884010, 165178680, 198214416, 247768020, 330357360, 495536040, 991072080]

約数ペア:
[(1, 991072080), (2, 495536040), (3, 330357360), (4, 247768020), (5, 198214416), (6, 165178680), (8, 123884010), (9, 110119120), (10, 99107208), (12, 82589340), (15, 66071472), (16, 61942005), (18, 55059560), (20, 49553604), (24, 41294670), (30, 33035736), (36, 27529780), (40, 24776802), (45, 22023824), (47, 21086640), (48, 20647335), (60, 16517868), (72, 13764890), (80, 12388401), (90, 11011912), (94, 10543320), (120, 8258934), (141, 7028880), (144, 6882445), (180, 5505956), (188, 5271660), (235, 4217328), (240, 4129467), (282, 3514440), (360, 2752978), (376, 2635830), (423, 2342960), (470, 2108664), (564, 1757220), (705, 1405776), (720, 1376489), (752, 1317915), (846, 1171480), (940, 1054332), (1128, 878610), (1410, 702888), (1692, 585740), (1880, 527166), (2115, 468592), (2256, 439305), (2820, 351444), (3384, 292870), (3760, 263583), (4230, 234296), (5640, 175722), (6768, 146435), (8460, 117148), (11280, 87861), (16920, 58574), (29287, 33840)]

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