About the Number

120391680

120391679 ← → 120391681

2進数表記:111001011010000100000000000

漢数字表記:一億二千三十九万千六百八十

素因数分解:

2 11 × 3 1 × 5 1 × 3919 1

素因数の和:3949
約数の個数: 96
約数和(自身を含む): 385257600
約数和(自身を除く): 264865920

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 3919, 5120, 6144, 7680, 7838, 10240, 11757, 15360, 15676, 19595, 23514, 30720, 31352, 39190, 47028, 58785, 62704, 78380, 94056, 117570, 125408, 156760, 188112, 235140, 250816, 313520, 376224, 470280, 501632, 627040, 752448, 940560, 1003264, 1254080, 1504896, 1881120, 2006528, 2508160, 3009792, 3762240, 4013056, 5016320, 6019584, 7524480, 8026112, 10032640, 12039168, 15048960, 20065280, 24078336, 30097920, 40130560, 60195840, 120391680]

約数ペア:
[(1, 120391680), (2, 60195840), (3, 40130560), (4, 30097920), (5, 24078336), (6, 20065280), (8, 15048960), (10, 12039168), (12, 10032640), (15, 8026112), (16, 7524480), (20, 6019584), (24, 5016320), (30, 4013056), (32, 3762240), (40, 3009792), (48, 2508160), (60, 2006528), (64, 1881120), (80, 1504896), (96, 1254080), (120, 1003264), (128, 940560), (160, 752448), (192, 627040), (240, 501632), (256, 470280), (320, 376224), (384, 313520), (480, 250816), (512, 235140), (640, 188112), (768, 156760), (960, 125408), (1024, 117570), (1280, 94056), (1536, 78380), (1920, 62704), (2048, 58785), (2560, 47028), (3072, 39190), (3840, 31352), (3919, 30720), (5120, 23514), (6144, 19595), (7680, 15676), (7838, 15360), (10240, 11757)]

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