About the Number

131578272

131578271 ← → 131578273

2進数表記:111110101111011100110100000

漢数字表記:一億三千百五十七万八千二百七十二

素因数分解:

2 5 × 3 2 × 7 1 × 65267 1

素因数の和:65290
約数の個数: 72
約数和(自身を含む): 427635936
約数和(自身を除く): 296057664

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 65267, 130534, 195801, 261068, 391602, 456869, 522136, 587403, 783204, 913738, 1044272, 1174806, 1370607, 1566408, 1827476, 2088544, 2349612, 2741214, 3132816, 3654952, 4111821, 4699224, 5482428, 6265632, 7309904, 8223642, 9398448, 10964856, 14619808, 16447284, 18796896, 21929712, 32894568, 43859424, 65789136, 131578272]

約数ペア:
[(1, 131578272), (2, 65789136), (3, 43859424), (4, 32894568), (6, 21929712), (7, 18796896), (8, 16447284), (9, 14619808), (12, 10964856), (14, 9398448), (16, 8223642), (18, 7309904), (21, 6265632), (24, 5482428), (28, 4699224), (32, 4111821), (36, 3654952), (42, 3132816), (48, 2741214), (56, 2349612), (63, 2088544), (72, 1827476), (84, 1566408), (96, 1370607), (112, 1174806), (126, 1044272), (144, 913738), (168, 783204), (224, 587403), (252, 522136), (288, 456869), (336, 391602), (504, 261068), (672, 195801), (1008, 130534), (2016, 65267)]

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