640489247040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{667176299}}^1$

素因数の和:667176319

約数の個数: 56

約数和(自身を含む): 2033553362400

約数和(自身を除く): 1393064115360

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, 160, 192, 240, 320, 480, 960, 667176299, 1334352598, 2001528897, 2668705196, 3335881495, 4003057794, 5337410392, 6671762990, 8006115588, 10007644485, 10674820784, 13343525980, 16012231176, 20015288970, 21349641568, 26687051960, 32024462352, 40030577940, 42699283136, 53374103920, 64048924704, 80061155880, 106748207840, 128097849408, 160122311760, 213496415680, 320244623520, 640489247040]

約数ペア:

[(1, 640489247040), (2, 320244623520), (3, 213496415680), (4, 160122311760), (5, 128097849408), (6, 106748207840), (8, 80061155880), (10, 64048924704), (12, 53374103920), (15, 42699283136), (16, 40030577940), (20, 32024462352), (24, 26687051960), (30, 21349641568), (32, 20015288970), (40, 16012231176), (48, 13343525980), (60, 10674820784), (64, 10007644485), (80, 8006115588), (96, 6671762990), (120, 5337410392), (160, 4003057794), (192, 3335881495), (240, 2668705196), (320, 2001528897), (480, 1334352598), (960, 667176299)]