1440803440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{5237}}^1$

素因数の和:5450

約数の個数: 80

約数和(自身を含む): 3546335520

約数和(自身を除く): 2105532080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 181, 190, 304, 362, 380, 724, 760, 905, 1448, 1520, 1810, 2896, 3439, 3620, 5237, 6878, 7240, 10474, 13756, 14480, 17195, 20948, 26185, 27512, 34390, 41896, 52370, 55024, 68780, 83792, 99503, 104740, 137560, 199006, 209480, 275120, 398012, 418960, 497515, 796024, 947897, 995030, 1592048, 1895794, 1990060, 3791588, 3980120, 4739485, 7583176, 7960240, 9478970, 15166352, 18010043, 18957940, 36020086, 37915880, 72040172, 75831760, 90050215, 144080344, 180100430, 288160688, 360200860, 720401720, 1440803440]

約数ペア:

[(1, 1440803440), (2, 720401720), (4, 360200860), (5, 288160688), (8, 180100430), (10, 144080344), (16, 90050215), (19, 75831760), (20, 72040172), (38, 37915880), (40, 36020086), (76, 18957940), (80, 18010043), (95, 15166352), (152, 9478970), (181, 7960240), (190, 7583176), (304, 4739485), (362, 3980120), (380, 3791588), (724, 1990060), (760, 1895794), (905, 1592048), (1448, 995030), (1520, 947897), (1810, 796024), (2896, 497515), (3439, 418960), (3620, 398012), (5237, 275120), (6878, 209480), (7240, 199006), (10474, 137560), (13756, 104740), (14480, 99503), (17195, 83792), (20948, 68780), (26185, 55024), (27512, 52370), (34390, 41896)]