2478720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{1291}}^1$

素因数の和:1313

約数の個数: 64

約数和(自身を含む): 7907040

約数和(自身を除く): 5428320

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, 1291, 1920, 2582, 3873, 5164, 6455, 7746, 10328, 12910, 15492, 19365, 20656, 25820, 30984, 38730, 41312, 51640, 61968, 77460, 82624, 103280, 123936, 154920, 165248, 206560, 247872, 309840, 413120, 495744, 619680, 826240, 1239360, 2478720]

約数ペア:

[(1, 2478720), (2, 1239360), (3, 826240), (4, 619680), (5, 495744), (6, 413120), (8, 309840), (10, 247872), (12, 206560), (15, 165248), (16, 154920), (20, 123936), (24, 103280), (30, 82624), (32, 77460), (40, 61968), (48, 51640), (60, 41312), (64, 38730), (80, 30984), (96, 25820), (120, 20656), (128, 19365), (160, 15492), (192, 12910), (240, 10328), (320, 7746), (384, 6455), (480, 5164), (640, 3873), (960, 2582), (1291, 1920)]