457729280

素因数分解:

$2^8\times 5^1\times {\mathrm{541}}^1\times {\mathrm{661}}^1$

素因数の和:1223

約数の個数: 72

約数和(自身を含む): 1100093064

約数和(自身を除く): 642363784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 541, 640, 661, 1082, 1280, 1322, 2164, 2644, 2705, 3305, 4328, 5288, 5410, 6610, 8656, 10576, 10820, 13220, 17312, 21152, 21640, 26440, 34624, 42304, 43280, 52880, 69248, 84608, 86560, 105760, 138496, 169216, 173120, 211520, 346240, 357601, 423040, 692480, 715202, 846080, 1430404, 1788005, 2860808, 3576010, 5721616, 7152020, 11443232, 14304040, 22886464, 28608080, 45772928, 57216160, 91545856, 114432320, 228864640, 457729280]

約数ペア:

[(1, 457729280), (2, 228864640), (4, 114432320), (5, 91545856), (8, 57216160), (10, 45772928), (16, 28608080), (20, 22886464), (32, 14304040), (40, 11443232), (64, 7152020), (80, 5721616), (128, 3576010), (160, 2860808), (256, 1788005), (320, 1430404), (541, 846080), (640, 715202), (661, 692480), (1082, 423040), (1280, 357601), (1322, 346240), (2164, 211520), (2644, 173120), (2705, 169216), (3305, 138496), (4328, 105760), (5288, 86560), (5410, 84608), (6610, 69248), (8656, 52880), (10576, 43280), (10820, 42304), (13220, 34624), (17312, 26440), (21152, 21640)]