About the Number

642281640

642281639 ← → 642281641

2進数表記:100110010010000111000010101000

漢数字表記:六億四千二百二十八万千六百四十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 11 1 × 13 1 × 5347 1

素因数の和:5392
約数の個数: 256
約数和(自身を含む): 2587576320
約数和(自身を除く): 1945294680

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 364, 385, 390, 420, 429, 440, 455, 462, 520, 546, 572, 616, 660, 715, 728, 770, 780, 840, 858, 910, 924, 1001, 1092, 1144, 1155, 1320, 1365, 1430, 1540, 1560, 1716, 1820, 1848, 2002, 2145, 2184, 2310, 2730, 2860, 3003, 3080, 3432, 3640, 4004, 4290, 4620, 5005, 5347, 5460, 5720, 6006, 8008, 8580, 9240, 10010, 10694, 10920, 12012, 15015, 16041, 17160, 20020, 21388, 24024, 26735, 30030, 32082, 37429, 40040, 42776, 53470, 58817, 60060, 64164, 69511, 74858, 80205, 106940, 112287, 117634, 120120, 128328, 139022, 149716, 160410, 176451, 187145, 208533, 213880, 224574, 235268, 278044, 294085, 299432, 320820, 347555, 352902, 374290, 411719, 417066, 449148, 470536, 486577, 556088, 561435, 588170, 641640, 695110, 705804, 748580, 764621, 823438, 834132, 882255, 898296, 973154, 1042665, 1122870, 1176340, 1235157, 1390220, 1411608, 1459731, 1497160, 1529242, 1646876, 1668264, 1764510, 1946308, 2058595, 2085330, 2245740, 2293863, 2352680, 2432885, 2470314, 2780440, 2919462, 3058484, 3293752, 3529020, 3823105, 3892616, 4117190, 4170660, 4491480, 4587726, 4865770, 4940628, 5352347, 5838924, 6116968, 6175785, 7058040, 7298655, 7646210, 8234380, 8341320, 9175452, 9731540, 9881256, 10704694, 11469315, 11677848, 12351570, 14597310, 15292420, 16057041, 16468760, 18350904, 19463080, 21409388, 22938630, 24703140, 26761735, 29194620, 30584840, 32114082, 42818776, 45877260, 49406280, 53523470, 58389240, 64228164, 80285205, 91754520, 107046940, 128456328, 160570410, 214093880, 321140820, 642281640]

約数ペア:
[(1, 642281640), (2, 321140820), (3, 214093880), (4, 160570410), (5, 128456328), (6, 107046940), (7, 91754520), (8, 80285205), (10, 64228164), (11, 58389240), (12, 53523470), (13, 49406280), (14, 45877260), (15, 42818776), (20, 32114082), (21, 30584840), (22, 29194620), (24, 26761735), (26, 24703140), (28, 22938630), (30, 21409388), (33, 19463080), (35, 18350904), (39, 16468760), (40, 16057041), (42, 15292420), (44, 14597310), (52, 12351570), (55, 11677848), (56, 11469315), (60, 10704694), (65, 9881256), (66, 9731540), (70, 9175452), (77, 8341320), (78, 8234380), (84, 7646210), (88, 7298655), (91, 7058040), (104, 6175785), (105, 6116968), (110, 5838924), (120, 5352347), (130, 4940628), (132, 4865770), (140, 4587726), (143, 4491480), (154, 4170660), (156, 4117190), (165, 3892616), (168, 3823105), (182, 3529020), (195, 3293752), (210, 3058484), (220, 2919462), (231, 2780440), (260, 2470314), (264, 2432885), (273, 2352680), (280, 2293863), (286, 2245740), (308, 2085330), (312, 2058595), (330, 1946308), (364, 1764510), (385, 1668264), (390, 1646876), (420, 1529242), (429, 1497160), (440, 1459731), (455, 1411608), (462, 1390220), (520, 1235157), (546, 1176340), (572, 1122870), (616, 1042665), (660, 973154), (715, 898296), (728, 882255), (770, 834132), (780, 823438), (840, 764621), (858, 748580), (910, 705804), (924, 695110), (1001, 641640), (1092, 588170), (1144, 561435), (1155, 556088), (1320, 486577), (1365, 470536), (1430, 449148), (1540, 417066), (1560, 411719), (1716, 374290), (1820, 352902), (1848, 347555), (2002, 320820), (2145, 299432), (2184, 294085), (2310, 278044), (2730, 235268), (2860, 224574), (3003, 213880), (3080, 208533), (3432, 187145), (3640, 176451), (4004, 160410), (4290, 149716), (4620, 139022), (5005, 128328), (5347, 120120), (5460, 117634), (5720, 112287), (6006, 106940), (8008, 80205), (8580, 74858), (9240, 69511), (10010, 64164), (10694, 60060), (10920, 58817), (12012, 53470), (15015, 42776), (16041, 40040), (17160, 37429), (20020, 32082), (21388, 30030), (24024, 26735)]

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