About the Number

127981920

127981919 ← → 127981921

2進数表記:111101000001101100101100000

漢数字表記:一億二千七百九十八万千九百二十

素因数分解:

2 5 × 3 1 × 5 1 × 11 1 × 24239 1

素因数の和:24268
約数の個数: 96
約数和(自身を含む): 439810560
約数和(自身を除く): 311828640

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 24239, 48478, 72717, 96956, 121195, 145434, 193912, 242390, 266629, 290868, 363585, 387824, 484780, 533258, 581736, 727170, 775648, 799887, 969560, 1066516, 1163472, 1333145, 1454340, 1599774, 1939120, 2133032, 2326944, 2666290, 2908680, 3199548, 3878240, 3999435, 4266064, 5332580, 5817360, 6399096, 7998870, 8532128, 10665160, 11634720, 12798192, 15997740, 21330320, 25596384, 31995480, 42660640, 63990960, 127981920]

約数ペア:
[(1, 127981920), (2, 63990960), (3, 42660640), (4, 31995480), (5, 25596384), (6, 21330320), (8, 15997740), (10, 12798192), (11, 11634720), (12, 10665160), (15, 8532128), (16, 7998870), (20, 6399096), (22, 5817360), (24, 5332580), (30, 4266064), (32, 3999435), (33, 3878240), (40, 3199548), (44, 2908680), (48, 2666290), (55, 2326944), (60, 2133032), (66, 1939120), (80, 1599774), (88, 1454340), (96, 1333145), (110, 1163472), (120, 1066516), (132, 969560), (160, 799887), (165, 775648), (176, 727170), (220, 581736), (240, 533258), (264, 484780), (330, 387824), (352, 363585), (440, 290868), (480, 266629), (528, 242390), (660, 193912), (880, 145434), (1056, 121195), (1320, 96956), (1760, 72717), (2640, 48478), (5280, 24239)]

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