About the Number

120917856

120917855 ← → 120917857

2進数表記:111001101010000111101100000

漢数字表記:一億二千九十一万七千八百五十六

素因数分解:

2 5 × 3 1 × 31 1 × 41 1 × 991 1

素因数の和:1076
約数の個数: 96
約数和(自身を含む): 335978496
約数和(自身を除く): 215060640

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 41, 48, 62, 82, 93, 96, 123, 124, 164, 186, 246, 248, 328, 372, 492, 496, 656, 744, 984, 991, 992, 1271, 1312, 1488, 1968, 1982, 2542, 2973, 2976, 3813, 3936, 3964, 5084, 5946, 7626, 7928, 10168, 11892, 15252, 15856, 20336, 23784, 30504, 30721, 31712, 40631, 40672, 47568, 61008, 61442, 81262, 92163, 95136, 121893, 122016, 122884, 162524, 184326, 243786, 245768, 325048, 368652, 487572, 491536, 650096, 737304, 975144, 983072, 1259561, 1300192, 1474608, 1950288, 2519122, 2949216, 3778683, 3900576, 5038244, 7557366, 10076488, 15114732, 20152976, 30229464, 40305952, 60458928, 120917856]

約数ペア:
[(1, 120917856), (2, 60458928), (3, 40305952), (4, 30229464), (6, 20152976), (8, 15114732), (12, 10076488), (16, 7557366), (24, 5038244), (31, 3900576), (32, 3778683), (41, 2949216), (48, 2519122), (62, 1950288), (82, 1474608), (93, 1300192), (96, 1259561), (123, 983072), (124, 975144), (164, 737304), (186, 650096), (246, 491536), (248, 487572), (328, 368652), (372, 325048), (492, 245768), (496, 243786), (656, 184326), (744, 162524), (984, 122884), (991, 122016), (992, 121893), (1271, 95136), (1312, 92163), (1488, 81262), (1968, 61442), (1982, 61008), (2542, 47568), (2973, 40672), (2976, 40631), (3813, 31712), (3936, 30721), (3964, 30504), (5084, 23784), (5946, 20336), (7626, 15856), (7928, 15252), (10168, 11892)]

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