164609920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13537}}^1$

素因数の和:13575

約数の個数: 64

約数和(自身を含む): 414262800

約数和(自身を除く): 249652880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 13537, 27074, 54148, 67685, 108296, 135370, 216592, 257203, 270740, 433184, 514406, 541480, 866368, 1028812, 1082960, 1286015, 1732736, 2057624, 2165920, 2572030, 4115248, 4331840, 5144060, 8230496, 8663680, 10288120, 16460992, 20576240, 32921984, 41152480, 82304960, 164609920]

約数ペア:

[(1, 164609920), (2, 82304960), (4, 41152480), (5, 32921984), (8, 20576240), (10, 16460992), (16, 10288120), (19, 8663680), (20, 8230496), (32, 5144060), (38, 4331840), (40, 4115248), (64, 2572030), (76, 2165920), (80, 2057624), (95, 1732736), (128, 1286015), (152, 1082960), (160, 1028812), (190, 866368), (304, 541480), (320, 514406), (380, 433184), (608, 270740), (640, 257203), (760, 216592), (1216, 135370), (1520, 108296), (2432, 67685), (3040, 54148), (6080, 27074), (12160, 13537)]