About the Number

2128428720

2128428719 ← → 2128428721

2進数表記:1111110110111010011111010110000

漢数字表記:二十一億二千八百四十二万八千七百二十

素因数分解:

2 4 × 3 2 × 5 1 × 11 3 × 2221 1

素因数の和:2273
約数の個数: 240
約数和(自身を含む): 7865773344
約数和(自身を除く): 5737344624

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 360, 363, 396, 440, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1089, 1210, 1320, 1331, 1452, 1584, 1815, 1936, 1980, 2178, 2221, 2420, 2640, 2662, 2904, 3630, 3960, 3993, 4356, 4442, 4840, 5324, 5445, 5808, 6655, 6663, 7260, 7920, 7986, 8712, 8884, 9680, 10648, 10890, 11105, 11979, 13310, 13326, 14520, 15972, 17424, 17768, 19965, 19989, 21296, 21780, 22210, 23958, 24431, 26620, 26652, 29040, 31944, 33315, 35536, 39930, 39978, 43560, 44420, 47916, 48862, 53240, 53304, 59895, 63888, 66630, 73293, 79860, 79956, 87120, 88840, 95832, 97724, 99945, 106480, 106608, 119790, 122155, 133260, 146586, 159720, 159912, 177680, 191664, 195448, 199890, 219879, 239580, 244310, 266520, 268741, 293172, 319440, 319824, 366465, 390896, 399780, 439758, 479160, 488620, 533040, 537482, 586344, 732930, 799560, 806223, 879516, 958320, 977240, 1074964, 1099395, 1172688, 1343705, 1465860, 1599120, 1612446, 1759032, 1954480, 2149928, 2198790, 2418669, 2687410, 2931720, 2956151, 3224892, 3518064, 4031115, 4299856, 4397580, 4837338, 5374820, 5863440, 5912302, 6449784, 8062230, 8795160, 8868453, 9674676, 10749640, 11824604, 12093345, 12899568, 14780755, 16124460, 17590320, 17736906, 19349352, 21499280, 23649208, 24186690, 26605359, 29561510, 32248920, 35473812, 38698704, 44342265, 47298416, 48373380, 53210718, 59123020, 64497840, 70947624, 88684530, 96746760, 106421436, 118246040, 133026795, 141895248, 177369060, 193493520, 212842872, 236492080, 266053590, 354738120, 425685744, 532107180, 709476240, 1064214360, 2128428720]

約数ペア:
[(1, 2128428720), (2, 1064214360), (3, 709476240), (4, 532107180), (5, 425685744), (6, 354738120), (8, 266053590), (9, 236492080), (10, 212842872), (11, 193493520), (12, 177369060), (15, 141895248), (16, 133026795), (18, 118246040), (20, 106421436), (22, 96746760), (24, 88684530), (30, 70947624), (33, 64497840), (36, 59123020), (40, 53210718), (44, 48373380), (45, 47298416), (48, 44342265), (55, 38698704), (60, 35473812), (66, 32248920), (72, 29561510), (80, 26605359), (88, 24186690), (90, 23649208), (99, 21499280), (110, 19349352), (120, 17736906), (121, 17590320), (132, 16124460), (144, 14780755), (165, 12899568), (176, 12093345), (180, 11824604), (198, 10749640), (220, 9674676), (240, 8868453), (242, 8795160), (264, 8062230), (330, 6449784), (360, 5912302), (363, 5863440), (396, 5374820), (440, 4837338), (484, 4397580), (495, 4299856), (528, 4031115), (605, 3518064), (660, 3224892), (720, 2956151), (726, 2931720), (792, 2687410), (880, 2418669), (968, 2198790), (990, 2149928), (1089, 1954480), (1210, 1759032), (1320, 1612446), (1331, 1599120), (1452, 1465860), (1584, 1343705), (1815, 1172688), (1936, 1099395), (1980, 1074964), (2178, 977240), (2221, 958320), (2420, 879516), (2640, 806223), (2662, 799560), (2904, 732930), (3630, 586344), (3960, 537482), (3993, 533040), (4356, 488620), (4442, 479160), (4840, 439758), (5324, 399780), (5445, 390896), (5808, 366465), (6655, 319824), (6663, 319440), (7260, 293172), (7920, 268741), (7986, 266520), (8712, 244310), (8884, 239580), (9680, 219879), (10648, 199890), (10890, 195448), (11105, 191664), (11979, 177680), (13310, 159912), (13326, 159720), (14520, 146586), (15972, 133260), (17424, 122155), (17768, 119790), (19965, 106608), (19989, 106480), (21296, 99945), (21780, 97724), (22210, 95832), (23958, 88840), (24431, 87120), (26620, 79956), (26652, 79860), (29040, 73293), (31944, 66630), (33315, 63888), (35536, 59895), (39930, 53304), (39978, 53240), (43560, 48862), (44420, 47916)]

このpageの処理時間: 0.013383626937866211 seconds