64884480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 211382304

約数和(自身を除く): 146497824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 277, 305, 320, 366, 384, 480, 488, 554, 610, 640, 732, 768, 831, 915, 960, 976, 1108, 1220, 1280, 1385, 1464, 1662, 1830, 1920, 1952, 2216, 2440, 2770, 2928, 3324, 3660, 3840, 3904, 4155, 4432, 4880, 5540, 5856, 6648, 7320, 7808, 8310, 8864, 9760, 11080, 11712, 13296, 14640, 15616, 16620, 16897, 17728, 19520, 22160, 23424, 26592, 29280, 33240, 33794, 35456, 39040, 44320, 46848, 50691, 53184, 58560, 66480, 67588, 70912, 78080, 84485, 88640, 101382, 106368, 117120, 132960, 135176, 168970, 177280, 202764, 212736, 234240, 253455, 265920, 270352, 337940, 354560, 405528, 506910, 531840, 540704, 675880, 811056, 1013820, 1063680, 1081408, 1351760, 1622112, 2027640, 2162816, 2703520, 3244224, 4055280, 4325632, 5407040, 6488448, 8110560, 10814080, 12976896, 16221120, 21628160, 32442240, 64884480]

約数ペア:

[(1, 64884480), (2, 32442240), (3, 21628160), (4, 16221120), (5, 12976896), (6, 10814080), (8, 8110560), (10, 6488448), (12, 5407040), (15, 4325632), (16, 4055280), (20, 3244224), (24, 2703520), (30, 2162816), (32, 2027640), (40, 1622112), (48, 1351760), (60, 1081408), (61, 1063680), (64, 1013820), (80, 811056), (96, 675880), (120, 540704), (122, 531840), (128, 506910), (160, 405528), (183, 354560), (192, 337940), (240, 270352), (244, 265920), (256, 253455), (277, 234240), (305, 212736), (320, 202764), (366, 177280), (384, 168970), (480, 135176), (488, 132960), (554, 117120), (610, 106368), (640, 101382), (732, 88640), (768, 84485), (831, 78080), (915, 70912), (960, 67588), (976, 66480), (1108, 58560), (1220, 53184), (1280, 50691), (1385, 46848), (1464, 44320), (1662, 39040), (1830, 35456), (1920, 33794), (1952, 33240), (2216, 29280), (2440, 26592), (2770, 23424), (2928, 22160), (3324, 19520), (3660, 17728), (3840, 16897), (3904, 16620), (4155, 15616), (4432, 14640), (4880, 13296), (5540, 11712), (5856, 11080), (6648, 9760), (7320, 8864), (7808, 8310)]