About the Number
81213090
2進数表記:100110101110011011010100010
漢数字表記:八千百二十一万三千九十
素因数分解:
素因数の和:672
約数の個数: 96
約数和(自身を含む): 229397184
約数和(自身を除く): 148184094
約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 101, 105, 147, 202, 210, 245, 294, 303, 490, 505, 547, 606, 707, 735, 1010, 1094, 1414, 1470, 1515, 1641, 2121, 2735, 3030, 3282, 3535, 3829, 4242, 4949, 5470, 7070, 7658, 8205, 9898, 10605, 11487, 14847, 16410, 19145, 21210, 22974, 24745, 26803, 29694, 38290, 49490, 53606, 55247, 57435, 74235, 80409, 110494, 114870, 134015, 148470, 160818, 165741, 268030, 276235, 331482, 386729, 402045, 552470, 773458, 804090, 828705, 1160187, 1657410, 1933645, 2320374, 2707103, 3867290, 5414206, 5800935, 8121309, 11601870, 13535515, 16242618, 27071030, 40606545, 81213090]
約数ペア:
[(1, 81213090), (2, 40606545), (3, 27071030), (5, 16242618), (6, 13535515), (7, 11601870), (10, 8121309), (14, 5800935), (15, 5414206), (21, 3867290), (30, 2707103), (35, 2320374), (42, 1933645), (49, 1657410), (70, 1160187), (98, 828705), (101, 804090), (105, 773458), (147, 552470), (202, 402045), (210, 386729), (245, 331482), (294, 276235), (303, 268030), (490, 165741), (505, 160818), (547, 148470), (606, 134015), (707, 114870), (735, 110494), (1010, 80409), (1094, 74235), (1414, 57435), (1470, 55247), (1515, 53606), (1641, 49490), (2121, 38290), (2735, 29694), (3030, 26803), (3282, 24745), (3535, 22974), (3829, 21210), (4242, 19145), (4949, 16410), (5470, 14847), (7070, 11487), (7658, 10605), (8205, 9898)]このpageの処理時間: 0.08331656455993652 seconds