About the Number

138081780

138081779 ← → 138081781

2進数表記:1000001110101111010111110100

漢数字表記:一億三千八百八万千七百八十

素因数分解:

2 2 × 3 3 × 5 1 × 37 1 × 6911 1

素因数の和:6966
約数の個数: 96
約数和(自身を含む): 441262080
約数和(自身を除く): 303180300

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1665, 1998, 2220, 3330, 3996, 4995, 6660, 6911, 9990, 13822, 19980, 20733, 27644, 34555, 41466, 62199, 69110, 82932, 103665, 124398, 138220, 186597, 207330, 248796, 255707, 310995, 373194, 414660, 511414, 621990, 746388, 767121, 932985, 1022828, 1243980, 1278535, 1534242, 1865970, 2301363, 2557070, 3068484, 3731940, 3835605, 4602726, 5114140, 6904089, 7671210, 9205452, 11506815, 13808178, 15342420, 23013630, 27616356, 34520445, 46027260, 69040890, 138081780]

約数ペア:
[(1, 138081780), (2, 69040890), (3, 46027260), (4, 34520445), (5, 27616356), (6, 23013630), (9, 15342420), (10, 13808178), (12, 11506815), (15, 9205452), (18, 7671210), (20, 6904089), (27, 5114140), (30, 4602726), (36, 3835605), (37, 3731940), (45, 3068484), (54, 2557070), (60, 2301363), (74, 1865970), (90, 1534242), (108, 1278535), (111, 1243980), (135, 1022828), (148, 932985), (180, 767121), (185, 746388), (222, 621990), (270, 511414), (333, 414660), (370, 373194), (444, 310995), (540, 255707), (555, 248796), (666, 207330), (740, 186597), (999, 138220), (1110, 124398), (1332, 103665), (1665, 82932), (1998, 69110), (2220, 62199), (3330, 41466), (3996, 34555), (4995, 27644), (6660, 20733), (6911, 19980), (9990, 13822)]

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