90836240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1080

約数の個数: 80

約数和(自身を含む): 232752960

約数和(自身を除く): 141916720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 872, 880, 947, 1090, 1199, 1744, 1894, 2180, 2398, 3788, 4360, 4735, 4796, 5995, 7576, 8720, 9470, 9592, 10417, 11990, 15152, 18940, 19184, 20834, 23980, 37880, 41668, 47960, 52085, 75760, 83336, 95920, 103223, 104170, 166672, 206446, 208340, 412892, 416680, 516115, 825784, 833360, 1032230, 1135453, 1651568, 2064460, 2270906, 4128920, 4541812, 5677265, 8257840, 9083624, 11354530, 18167248, 22709060, 45418120, 90836240]

約数ペア:

[(1, 90836240), (2, 45418120), (4, 22709060), (5, 18167248), (8, 11354530), (10, 9083624), (11, 8257840), (16, 5677265), (20, 4541812), (22, 4128920), (40, 2270906), (44, 2064460), (55, 1651568), (80, 1135453), (88, 1032230), (109, 833360), (110, 825784), (176, 516115), (218, 416680), (220, 412892), (436, 208340), (440, 206446), (545, 166672), (872, 104170), (880, 103223), (947, 95920), (1090, 83336), (1199, 75760), (1744, 52085), (1894, 47960), (2180, 41668), (2398, 37880), (3788, 23980), (4360, 20834), (4735, 19184), (4796, 18940), (5995, 15152), (7576, 11990), (8720, 10417), (9470, 9592)]