About the Number

72157272012

72157272011 ← → 72157272013

2進数表記:1000011001100111010001001011111001100

漢数字表記:七百二十一億五千七百二十七万二千十二

素因数分解:

2 2 × 3 3 × 7 2 × 13635161 1

素因数の和:13635188
約数の個数: 72
約数和(自身を含む): 217617185520
約数和(自身を除く): 145459913508

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 13635161, 27270322, 40905483, 54540644, 81810966, 95446127, 122716449, 163621932, 190892254, 245432898, 286338381, 368149347, 381784508, 490865796, 572676762, 668122889, 736298694, 859015143, 1145353524, 1336245778, 1472597388, 1718030286, 2004368667, 2577045429, 2672491556, 3436060572, 4008737334, 5154090858, 6013106001, 8017474668, 10308181716, 12026212002, 18039318003, 24052424004, 36078636006, 72157272012]

約数ペア:
[(1, 72157272012), (2, 36078636006), (3, 24052424004), (4, 18039318003), (6, 12026212002), (7, 10308181716), (9, 8017474668), (12, 6013106001), (14, 5154090858), (18, 4008737334), (21, 3436060572), (27, 2672491556), (28, 2577045429), (36, 2004368667), (42, 1718030286), (49, 1472597388), (54, 1336245778), (63, 1145353524), (84, 859015143), (98, 736298694), (108, 668122889), (126, 572676762), (147, 490865796), (189, 381784508), (196, 368149347), (252, 286338381), (294, 245432898), (378, 190892254), (441, 163621932), (588, 122716449), (756, 95446127), (882, 81810966), (1323, 54540644), (1764, 40905483), (2646, 27270322), (5292, 13635161)]

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