320390918272

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{635777}}^1$

素因数の和:635949

約数の個数: 64

約数和(自身を含む): 664057405440

約数和(自身を除く): 343666487168

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 496, 508, 992, 1016, 1984, 2032, 3937, 3968, 4064, 7874, 8128, 15748, 16256, 31496, 62992, 125984, 251968, 503936, 635777, 1271554, 2543108, 5086216, 10172432, 19709087, 20344864, 39418174, 40689728, 78836348, 80743679, 81379456, 157672696, 161487358, 315345392, 322974716, 630690784, 645949432, 1261381568, 1291898864, 2503054049, 2522763136, 2583797728, 5006108098, 5167595456, 10012216196, 10335190912, 20024432392, 40048864784, 80097729568, 160195459136, 320390918272]

約数ペア:

[(1, 320390918272), (2, 160195459136), (4, 80097729568), (8, 40048864784), (16, 20024432392), (31, 10335190912), (32, 10012216196), (62, 5167595456), (64, 5006108098), (124, 2583797728), (127, 2522763136), (128, 2503054049), (248, 1291898864), (254, 1261381568), (496, 645949432), (508, 630690784), (992, 322974716), (1016, 315345392), (1984, 161487358), (2032, 157672696), (3937, 81379456), (3968, 80743679), (4064, 78836348), (7874, 40689728), (8128, 39418174), (15748, 20344864), (16256, 19709087), (31496, 10172432), (62992, 5086216), (125984, 2543108), (251968, 1271554), (503936, 635777)]