689406720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{179533}}^1$

素因数の和:179557

約数の個数: 72

約数和(自身を含む): 2201804976

約数和(自身を除く): 1512398256

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 179533, 359066, 538599, 718132, 897665, 1077198, 1436264, 1795330, 2154396, 2692995, 2872528, 3590660, 4308792, 5385990, 5745056, 7181320, 8617584, 10771980, 11490112, 14362640, 17235168, 21543960, 22980224, 28725280, 34470336, 43087920, 45960448, 57450560, 68940672, 86175840, 114901120, 137881344, 172351680, 229802240, 344703360, 689406720]

約数ペア:

[(1, 689406720), (2, 344703360), (3, 229802240), (4, 172351680), (5, 137881344), (6, 114901120), (8, 86175840), (10, 68940672), (12, 57450560), (15, 45960448), (16, 43087920), (20, 34470336), (24, 28725280), (30, 22980224), (32, 21543960), (40, 17235168), (48, 14362640), (60, 11490112), (64, 10771980), (80, 8617584), (96, 7181320), (120, 5745056), (128, 5385990), (160, 4308792), (192, 3590660), (240, 2872528), (256, 2692995), (320, 2154396), (384, 1795330), (480, 1436264), (640, 1077198), (768, 897665), (960, 718132), (1280, 538599), (1920, 359066), (3840, 179533)]