About the Number

78628320

78628319 ← → 78628321

2進数表記:100101011111100010111100000

漢数字表記:七千八百六十二万八千三百二十

素因数分解:

2 5 × 3 4 × 5 1 × 6067 1

素因数の和:6094
約数の個数: 120
約数和(自身を含む): 277538184
約数和(自身を除く): 198909864

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6067, 6480, 12134, 12960, 18201, 24268, 30335, 36402, 48536, 54603, 60670, 72804, 91005, 97072, 109206, 121340, 145608, 163809, 182010, 194144, 218412, 242680, 273015, 291216, 327618, 364020, 436824, 485360, 491427, 546030, 582432, 655236, 728040, 819045, 873648, 970720, 982854, 1092060, 1310472, 1456080, 1638090, 1747296, 1965708, 2184120, 2457135, 2620944, 2912160, 3276180, 3931416, 4368240, 4914270, 5241888, 6552360, 7862832, 8736480, 9828540, 13104720, 15725664, 19657080, 26209440, 39314160, 78628320]

約数ペア:
[(1, 78628320), (2, 39314160), (3, 26209440), (4, 19657080), (5, 15725664), (6, 13104720), (8, 9828540), (9, 8736480), (10, 7862832), (12, 6552360), (15, 5241888), (16, 4914270), (18, 4368240), (20, 3931416), (24, 3276180), (27, 2912160), (30, 2620944), (32, 2457135), (36, 2184120), (40, 1965708), (45, 1747296), (48, 1638090), (54, 1456080), (60, 1310472), (72, 1092060), (80, 982854), (81, 970720), (90, 873648), (96, 819045), (108, 728040), (120, 655236), (135, 582432), (144, 546030), (160, 491427), (162, 485360), (180, 436824), (216, 364020), (240, 327618), (270, 291216), (288, 273015), (324, 242680), (360, 218412), (405, 194144), (432, 182010), (480, 163809), (540, 145608), (648, 121340), (720, 109206), (810, 97072), (864, 91005), (1080, 72804), (1296, 60670), (1440, 54603), (1620, 48536), (2160, 36402), (2592, 30335), (3240, 24268), (4320, 18201), (6067, 12960), (6480, 12134)]

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