64878720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{33791}}^1$

素因数の和:33813

約数の個数: 64

約数和(自身を含む): 206807040

約数和(自身を除く): 141928320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 33791, 67582, 101373, 135164, 168955, 202746, 270328, 337910, 405492, 506865, 540656, 675820, 810984, 1013730, 1081312, 1351640, 1621968, 2027460, 2162624, 2703280, 3243936, 4054920, 4325248, 5406560, 6487872, 8109840, 10813120, 12975744, 16219680, 21626240, 32439360, 64878720]

約数ペア:

[(1, 64878720), (2, 32439360), (3, 21626240), (4, 16219680), (5, 12975744), (6, 10813120), (8, 8109840), (10, 6487872), (12, 5406560), (15, 4325248), (16, 4054920), (20, 3243936), (24, 2703280), (30, 2162624), (32, 2027460), (40, 1621968), (48, 1351640), (60, 1081312), (64, 1013730), (80, 810984), (96, 675820), (120, 540656), (128, 506865), (160, 405492), (192, 337910), (240, 270328), (320, 202746), (384, 168955), (480, 135164), (640, 101373), (960, 67582), (1920, 33791)]