21260160

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3691}}^1$

素因数の和:3716

約数の個数: 96

約数和(自身を含む): 73433880

約数和(自身を除く): 52173720

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, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3691, 5760, 7382, 11073, 14764, 18455, 22146, 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, 1063008, 1181120, 1328760, 1417344, 1771680, 2126016, 2362240, 2657520, 3543360, 4252032, 5315040, 7086720, 10630080, 21260160]

約数ペア:

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