About the Number

1661441280

1661441279 ← → 1661441281

2進数表記:1100011000001111001010100000000

漢数字表記:十六億六千百四十四万千二百八十

素因数分解:

2 8 × 3 1 × 5 1 × 17 1 × 31 1 × 821 1

素因数の和:893
約数の個数: 288
約数和(自身を含む): 5806660608
約数和(自身を除く): 4145219328

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 80, 85, 93, 96, 102, 120, 124, 128, 136, 155, 160, 170, 186, 192, 204, 240, 248, 255, 256, 272, 310, 320, 340, 372, 384, 408, 465, 480, 496, 510, 527, 544, 620, 640, 680, 744, 768, 816, 821, 930, 960, 992, 1020, 1054, 1088, 1240, 1280, 1360, 1488, 1581, 1632, 1642, 1860, 1920, 1984, 2040, 2108, 2176, 2463, 2480, 2635, 2720, 2976, 3162, 3264, 3284, 3720, 3840, 3968, 4080, 4105, 4216, 4352, 4926, 4960, 5270, 5440, 5952, 6324, 6528, 6568, 7440, 7905, 7936, 8160, 8210, 8432, 9852, 9920, 10540, 10880, 11904, 12315, 12648, 13056, 13136, 13957, 14880, 15810, 16320, 16420, 16864, 19704, 19840, 21080, 21760, 23808, 24630, 25296, 25451, 26272, 27914, 29760, 31620, 32640, 32840, 33728, 39408, 39680, 41871, 42160, 49260, 50592, 50902, 52544, 55828, 59520, 63240, 65280, 65680, 67456, 69785, 76353, 78816, 83742, 84320, 98520, 101184, 101804, 105088, 111656, 119040, 126480, 127255, 131360, 134912, 139570, 152706, 157632, 167484, 168640, 197040, 202368, 203608, 209355, 210176, 223312, 252960, 254510, 262720, 279140, 305412, 315264, 334968, 337280, 381765, 394080, 404736, 407216, 418710, 432667, 446624, 505920, 509020, 525440, 558280, 610824, 630528, 669936, 674560, 763530, 788160, 814432, 837420, 865334, 893248, 1011840, 1018040, 1050880, 1116560, 1221648, 1298001, 1339872, 1527060, 1576320, 1628864, 1674840, 1730668, 1786496, 2023680, 2036080, 2163335, 2233120, 2443296, 2596002, 2679744, 3054120, 3152640, 3257728, 3349680, 3461336, 3572992, 4072160, 4326670, 4466240, 4886592, 5192004, 5359488, 6108240, 6490005, 6515456, 6699360, 6922672, 8144320, 8653340, 8932480, 9773184, 10384008, 10718976, 12216480, 12980010, 13398720, 13845344, 16288640, 17306680, 17864960, 19546368, 20768016, 24432960, 25960020, 26797440, 27690688, 32577280, 34613360, 41536032, 48865920, 51920040, 53594880, 55381376, 69226720, 83072064, 97731840, 103840080, 110762752, 138453440, 166144128, 207680160, 276906880, 332288256, 415360320, 553813760, 830720640, 1661441280]

約数ペア:
[(1, 1661441280), (2, 830720640), (3, 553813760), (4, 415360320), (5, 332288256), (6, 276906880), (8, 207680160), (10, 166144128), (12, 138453440), (15, 110762752), (16, 103840080), (17, 97731840), (20, 83072064), (24, 69226720), (30, 55381376), (31, 53594880), (32, 51920040), (34, 48865920), (40, 41536032), (48, 34613360), (51, 32577280), (60, 27690688), (62, 26797440), (64, 25960020), (68, 24432960), (80, 20768016), (85, 19546368), (93, 17864960), (96, 17306680), (102, 16288640), (120, 13845344), (124, 13398720), (128, 12980010), (136, 12216480), (155, 10718976), (160, 10384008), (170, 9773184), (186, 8932480), (192, 8653340), (204, 8144320), (240, 6922672), (248, 6699360), (255, 6515456), (256, 6490005), (272, 6108240), (310, 5359488), (320, 5192004), (340, 4886592), (372, 4466240), (384, 4326670), (408, 4072160), (465, 3572992), (480, 3461336), (496, 3349680), (510, 3257728), (527, 3152640), (544, 3054120), (620, 2679744), (640, 2596002), (680, 2443296), (744, 2233120), (768, 2163335), (816, 2036080), (821, 2023680), (930, 1786496), (960, 1730668), (992, 1674840), (1020, 1628864), (1054, 1576320), (1088, 1527060), (1240, 1339872), (1280, 1298001), (1360, 1221648), (1488, 1116560), (1581, 1050880), (1632, 1018040), (1642, 1011840), (1860, 893248), (1920, 865334), (1984, 837420), (2040, 814432), (2108, 788160), (2176, 763530), (2463, 674560), (2480, 669936), (2635, 630528), (2720, 610824), (2976, 558280), (3162, 525440), (3264, 509020), (3284, 505920), (3720, 446624), (3840, 432667), (3968, 418710), (4080, 407216), (4105, 404736), (4216, 394080), (4352, 381765), (4926, 337280), (4960, 334968), (5270, 315264), (5440, 305412), (5952, 279140), (6324, 262720), (6528, 254510), (6568, 252960), (7440, 223312), (7905, 210176), (7936, 209355), (8160, 203608), (8210, 202368), (8432, 197040), (9852, 168640), (9920, 167484), (10540, 157632), (10880, 152706), (11904, 139570), (12315, 134912), (12648, 131360), (13056, 127255), (13136, 126480), (13957, 119040), (14880, 111656), (15810, 105088), (16320, 101804), (16420, 101184), (16864, 98520), (19704, 84320), (19840, 83742), (21080, 78816), (21760, 76353), (23808, 69785), (24630, 67456), (25296, 65680), (25451, 65280), (26272, 63240), (27914, 59520), (29760, 55828), (31620, 52544), (32640, 50902), (32840, 50592), (33728, 49260), (39408, 42160), (39680, 41871)]

このpageの処理時間: 0.37594079971313477 seconds