72988880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1612

約数の個数: 80

約数和(自身を含む): 184512000

約数和(自身を除く): 111523120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 1549, 2356, 2480, 2945, 3098, 4712, 5890, 6196, 7745, 9424, 11780, 12392, 15490, 23560, 24784, 29431, 30980, 47120, 48019, 58862, 61960, 96038, 117724, 123920, 147155, 192076, 235448, 240095, 294310, 384152, 470896, 480190, 588620, 768304, 912361, 960380, 1177240, 1824722, 1920760, 2354480, 3649444, 3841520, 4561805, 7298888, 9123610, 14597776, 18247220, 36494440, 72988880]

約数ペア:

[(1, 72988880), (2, 36494440), (4, 18247220), (5, 14597776), (8, 9123610), (10, 7298888), (16, 4561805), (19, 3841520), (20, 3649444), (31, 2354480), (38, 1920760), (40, 1824722), (62, 1177240), (76, 960380), (80, 912361), (95, 768304), (124, 588620), (152, 480190), (155, 470896), (190, 384152), (248, 294310), (304, 240095), (310, 235448), (380, 192076), (496, 147155), (589, 123920), (620, 117724), (760, 96038), (1178, 61960), (1240, 58862), (1520, 48019), (1549, 47120), (2356, 30980), (2480, 29431), (2945, 24784), (3098, 23560), (4712, 15490), (5890, 12392), (6196, 11780), (7745, 9424)]