About the Number
120801420
2進数表記:111001100110100100010001100
漢数字表記:一億二千八十万千四百二十
素因数分解:
素因数の和:21695
約数の個数: 72
約数和(自身を含む): 378268800
約数和(自身を除く): 257467380
約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 21649, 43298, 64947, 86596, 108245, 129894, 194841, 216490, 259788, 324735, 389682, 432980, 649470, 671119, 779364, 974205, 1298940, 1342238, 1948410, 2013357, 2684476, 3355595, 3896820, 4026714, 6040071, 6711190, 8053428, 10066785, 12080142, 13422380, 20133570, 24160284, 30200355, 40267140, 60400710, 120801420]
約数ペア:
[(1, 120801420), (2, 60400710), (3, 40267140), (4, 30200355), (5, 24160284), (6, 20133570), (9, 13422380), (10, 12080142), (12, 10066785), (15, 8053428), (18, 6711190), (20, 6040071), (30, 4026714), (31, 3896820), (36, 3355595), (45, 2684476), (60, 2013357), (62, 1948410), (90, 1342238), (93, 1298940), (124, 974205), (155, 779364), (180, 671119), (186, 649470), (279, 432980), (310, 389682), (372, 324735), (465, 259788), (558, 216490), (620, 194841), (930, 129894), (1116, 108245), (1395, 86596), (1860, 64947), (2790, 43298), (5580, 21649)]このpageの処理時間: 0.005137205123901367 seconds