1319975880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647047}}^1$

素因数の和:647078

約数の個数: 64

約数和(自身を含む): 4192871040

約数和(自身を除く): 2872895160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 647047, 1294094, 1941141, 2588188, 3235235, 3882282, 5176376, 6470470, 7764564, 9705705, 10999799, 12940940, 15529128, 19411410, 21999598, 25881880, 32999397, 38822820, 43999196, 54998995, 65998794, 77645640, 87998392, 109997990, 131997588, 164996985, 219995980, 263995176, 329993970, 439991960, 659987940, 1319975880]

約数ペア:

[(1, 1319975880), (2, 659987940), (3, 439991960), (4, 329993970), (5, 263995176), (6, 219995980), (8, 164996985), (10, 131997588), (12, 109997990), (15, 87998392), (17, 77645640), (20, 65998794), (24, 54998995), (30, 43999196), (34, 38822820), (40, 32999397), (51, 25881880), (60, 21999598), (68, 19411410), (85, 15529128), (102, 12940940), (120, 10999799), (136, 9705705), (170, 7764564), (204, 6470470), (255, 5176376), (340, 3882282), (408, 3235235), (510, 2588188), (680, 1941141), (1020, 1294094), (2040, 647047)]