164156720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22549}}^1$

素因数の和:22582

約数の個数: 80

約数和(自身を含む): 469761600

約数和(自身を除く): 305604880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 22549, 45098, 90196, 112745, 157843, 180392, 225490, 293137, 315686, 360784, 450980, 586274, 631372, 789215, 901960, 1172548, 1262744, 1465685, 1578430, 1803920, 2051959, 2345096, 2525488, 2931370, 3156860, 4103918, 4690192, 5862740, 6313720, 8207836, 10259795, 11725480, 12627440, 16415672, 20519590, 23450960, 32831344, 41039180, 82078360, 164156720]

約数ペア:

[(1, 164156720), (2, 82078360), (4, 41039180), (5, 32831344), (7, 23450960), (8, 20519590), (10, 16415672), (13, 12627440), (14, 11725480), (16, 10259795), (20, 8207836), (26, 6313720), (28, 5862740), (35, 4690192), (40, 4103918), (52, 3156860), (56, 2931370), (65, 2525488), (70, 2345096), (80, 2051959), (91, 1803920), (104, 1578430), (112, 1465685), (130, 1262744), (140, 1172548), (182, 901960), (208, 789215), (260, 631372), (280, 586274), (364, 450980), (455, 360784), (520, 315686), (560, 293137), (728, 225490), (910, 180392), (1040, 157843), (1456, 112745), (1820, 90196), (3640, 45098), (7280, 22549)]