About the Number

1427721840

1427721839 ← → 1427721841

2進数表記:1010101000110010100111001110000

漢数字表記:十四億二千七百七十二万千八百四十

素因数分解:

2 4 × 3 2 × 5 1 × 131 1 × 15137 1

素因数の和:15287
約数の個数: 120
約数和(自身を含む): 4831686288
約数和(自身を除く): 3403964448

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 240, 262, 360, 393, 524, 655, 720, 786, 1048, 1179, 1310, 1572, 1965, 2096, 2358, 2620, 3144, 3930, 4716, 5240, 5895, 6288, 7860, 9432, 10480, 11790, 15137, 15720, 18864, 23580, 30274, 31440, 45411, 47160, 60548, 75685, 90822, 94320, 121096, 136233, 151370, 181644, 227055, 242192, 272466, 302740, 363288, 454110, 544932, 605480, 681165, 726576, 908220, 1089864, 1210960, 1362330, 1816440, 1982947, 2179728, 2724660, 3632880, 3965894, 5449320, 5948841, 7931788, 9914735, 10898640, 11897682, 15863576, 17846523, 19829470, 23795364, 29744205, 31727152, 35693046, 39658940, 47590728, 59488410, 71386092, 79317880, 89232615, 95181456, 118976820, 142772184, 158635760, 178465230, 237953640, 285544368, 356930460, 475907280, 713860920, 1427721840]

約数ペア:
[(1, 1427721840), (2, 713860920), (3, 475907280), (4, 356930460), (5, 285544368), (6, 237953640), (8, 178465230), (9, 158635760), (10, 142772184), (12, 118976820), (15, 95181456), (16, 89232615), (18, 79317880), (20, 71386092), (24, 59488410), (30, 47590728), (36, 39658940), (40, 35693046), (45, 31727152), (48, 29744205), (60, 23795364), (72, 19829470), (80, 17846523), (90, 15863576), (120, 11897682), (131, 10898640), (144, 9914735), (180, 7931788), (240, 5948841), (262, 5449320), (360, 3965894), (393, 3632880), (524, 2724660), (655, 2179728), (720, 1982947), (786, 1816440), (1048, 1362330), (1179, 1210960), (1310, 1089864), (1572, 908220), (1965, 726576), (2096, 681165), (2358, 605480), (2620, 544932), (3144, 454110), (3930, 363288), (4716, 302740), (5240, 272466), (5895, 242192), (6288, 227055), (7860, 181644), (9432, 151370), (10480, 136233), (11790, 121096), (15137, 94320), (15720, 90822), (18864, 75685), (23580, 60548), (30274, 47160), (31440, 45411)]

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