85040640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{3691}}^1$

素因数の和:3720

約数の個数: 120

約数和(自身を含む): 294599448

約数和(自身を除く): 209558808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3691, 3840, 4608, 5760, 7382, 7680, 11073, 11520, 14764, 18455, 22146, 23040, 29528, 33219, 36910, 44292, 55365, 59056, 66438, 73820, 88584, 110730, 118112, 132876, 147640, 166095, 177168, 221460, 236224, 265752, 295280, 332190, 354336, 442920, 472448, 531504, 590560, 664380, 708672, 885840, 944896, 1063008, 1181120, 1328760, 1417344, 1771680, 1889792, 2126016, 2362240, 2657520, 2834688, 3543360, 4252032, 4724480, 5315040, 5669376, 7086720, 8504064, 9448960, 10630080, 14173440, 17008128, 21260160, 28346880, 42520320, 85040640]

約数ペア:

[(1, 85040640), (2, 42520320), (3, 28346880), (4, 21260160), (5, 17008128), (6, 14173440), (8, 10630080), (9, 9448960), (10, 8504064), (12, 7086720), (15, 5669376), (16, 5315040), (18, 4724480), (20, 4252032), (24, 3543360), (30, 2834688), (32, 2657520), (36, 2362240), (40, 2126016), (45, 1889792), (48, 1771680), (60, 1417344), (64, 1328760), (72, 1181120), (80, 1063008), (90, 944896), (96, 885840), (120, 708672), (128, 664380), (144, 590560), (160, 531504), (180, 472448), (192, 442920), (240, 354336), (256, 332190), (288, 295280), (320, 265752), (360, 236224), (384, 221460), (480, 177168), (512, 166095), (576, 147640), (640, 132876), (720, 118112), (768, 110730), (960, 88584), (1152, 73820), (1280, 66438), (1440, 59056), (1536, 55365), (1920, 44292), (2304, 36910), (2560, 33219), (2880, 29528), (3691, 23040), (3840, 22146), (4608, 18455), (5760, 14764), (7382, 11520), (7680, 11073)]