164402027720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7907}}^1\times {\mathrm{74257}}^1$

素因数の和:82182

約数の個数: 64

約数和(自身を含む): 422807230080

約数和(自身を除く): 258405202360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7907, 15814, 31628, 39535, 55349, 63256, 74257, 79070, 110698, 148514, 158140, 221396, 276745, 297028, 316280, 371285, 442792, 519799, 553490, 594056, 742570, 1039598, 1106980, 1485140, 2079196, 2213960, 2598995, 2970280, 4158392, 5197990, 10395980, 20791960, 587150099, 1174300198, 2348600396, 2935750495, 4110050693, 4697200792, 5871500990, 8220101386, 11743001980, 16440202772, 20550253465, 23486003960, 32880405544, 41100506930, 82201013860, 164402027720]

約数ペア:

[(1, 164402027720), (2, 82201013860), (4, 41100506930), (5, 32880405544), (7, 23486003960), (8, 20550253465), (10, 16440202772), (14, 11743001980), (20, 8220101386), (28, 5871500990), (35, 4697200792), (40, 4110050693), (56, 2935750495), (70, 2348600396), (140, 1174300198), (280, 587150099), (7907, 20791960), (15814, 10395980), (31628, 5197990), (39535, 4158392), (55349, 2970280), (63256, 2598995), (74257, 2213960), (79070, 2079196), (110698, 1485140), (148514, 1106980), (158140, 1039598), (221396, 742570), (276745, 594056), (297028, 553490), (316280, 519799), (371285, 442792)]