About the Number

121238640

121238639 ← → 121238641

2進数表記:111001110011111010001110000

漢数字表記:一億二千百二十三万八千六百四十

素因数分解:

2 4 × 3 3 × 5 1 × 37 2 × 41 1

素因数の和:137
約数の個数: 240
約数和(自身を含む): 439659360
約数和(自身を除く): 318420720

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 41, 45, 48, 54, 60, 72, 74, 80, 82, 90, 108, 111, 120, 123, 135, 144, 148, 164, 180, 185, 205, 216, 222, 240, 246, 270, 296, 328, 333, 360, 369, 370, 410, 432, 444, 492, 540, 555, 592, 615, 656, 666, 720, 738, 740, 820, 888, 984, 999, 1080, 1107, 1110, 1230, 1332, 1369, 1476, 1480, 1517, 1640, 1665, 1776, 1845, 1968, 1998, 2160, 2214, 2220, 2460, 2664, 2738, 2952, 2960, 3034, 3280, 3330, 3690, 3996, 4107, 4428, 4440, 4551, 4920, 4995, 5328, 5476, 5535, 5904, 6068, 6660, 6845, 7380, 7585, 7992, 8214, 8856, 8880, 9102, 9840, 9990, 10952, 11070, 12136, 12321, 13320, 13653, 13690, 14760, 15170, 15984, 16428, 17712, 18204, 19980, 20535, 21904, 22140, 22755, 24272, 24642, 26640, 27306, 27380, 29520, 30340, 32856, 36408, 36963, 39960, 40959, 41070, 44280, 45510, 49284, 54612, 54760, 56129, 60680, 61605, 65712, 68265, 72816, 73926, 79920, 81918, 82140, 88560, 91020, 98568, 109224, 109520, 112258, 121360, 123210, 136530, 147852, 163836, 164280, 168387, 182040, 184815, 197136, 204795, 218448, 224516, 246420, 273060, 280645, 295704, 327672, 328560, 336774, 364080, 369630, 409590, 449032, 492840, 505161, 546120, 561290, 591408, 655344, 673548, 739260, 819180, 841935, 898064, 985680, 1010322, 1092240, 1122580, 1347096, 1478520, 1515483, 1638360, 1683870, 2020644, 2245160, 2525805, 2694192, 2957040, 3030966, 3276720, 3367740, 4041288, 4490320, 5051610, 6061932, 6735480, 7577415, 8082576, 10103220, 12123864, 13470960, 15154830, 20206440, 24247728, 30309660, 40412880, 60619320, 121238640]

約数ペア:
[(1, 121238640), (2, 60619320), (3, 40412880), (4, 30309660), (5, 24247728), (6, 20206440), (8, 15154830), (9, 13470960), (10, 12123864), (12, 10103220), (15, 8082576), (16, 7577415), (18, 6735480), (20, 6061932), (24, 5051610), (27, 4490320), (30, 4041288), (36, 3367740), (37, 3276720), (40, 3030966), (41, 2957040), (45, 2694192), (48, 2525805), (54, 2245160), (60, 2020644), (72, 1683870), (74, 1638360), (80, 1515483), (82, 1478520), (90, 1347096), (108, 1122580), (111, 1092240), (120, 1010322), (123, 985680), (135, 898064), (144, 841935), (148, 819180), (164, 739260), (180, 673548), (185, 655344), (205, 591408), (216, 561290), (222, 546120), (240, 505161), (246, 492840), (270, 449032), (296, 409590), (328, 369630), (333, 364080), (360, 336774), (369, 328560), (370, 327672), (410, 295704), (432, 280645), (444, 273060), (492, 246420), (540, 224516), (555, 218448), (592, 204795), (615, 197136), (656, 184815), (666, 182040), (720, 168387), (738, 164280), (740, 163836), (820, 147852), (888, 136530), (984, 123210), (999, 121360), (1080, 112258), (1107, 109520), (1110, 109224), (1230, 98568), (1332, 91020), (1369, 88560), (1476, 82140), (1480, 81918), (1517, 79920), (1640, 73926), (1665, 72816), (1776, 68265), (1845, 65712), (1968, 61605), (1998, 60680), (2160, 56129), (2214, 54760), (2220, 54612), (2460, 49284), (2664, 45510), (2738, 44280), (2952, 41070), (2960, 40959), (3034, 39960), (3280, 36963), (3330, 36408), (3690, 32856), (3996, 30340), (4107, 29520), (4428, 27380), (4440, 27306), (4551, 26640), (4920, 24642), (4995, 24272), (5328, 22755), (5476, 22140), (5535, 21904), (5904, 20535), (6068, 19980), (6660, 18204), (6845, 17712), (7380, 16428), (7585, 15984), (7992, 15170), (8214, 14760), (8856, 13690), (8880, 13653), (9102, 13320), (9840, 12321), (9990, 12136), (10952, 11070)]

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