287144480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{571}}^1$

素因数の和:1042

約数の個数: 96

約数和(自身を含む): 778377600

約数和(自身を除く): 491233120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 449, 560, 571, 898, 1120, 1142, 1796, 2245, 2284, 2855, 3143, 3592, 3997, 4490, 4568, 5710, 6286, 7184, 7994, 8980, 9136, 11420, 12572, 14368, 15715, 15988, 17960, 18272, 19985, 22840, 25144, 31430, 31976, 35920, 39970, 45680, 50288, 62860, 63952, 71840, 79940, 91360, 100576, 125720, 127904, 159880, 251440, 256379, 319760, 502880, 512758, 639520, 1025516, 1281895, 1794653, 2051032, 2563790, 3589306, 4102064, 5127580, 7178612, 8204128, 8973265, 10255160, 14357224, 17946530, 20510320, 28714448, 35893060, 41020640, 57428896, 71786120, 143572240, 287144480]

約数ペア:

[(1, 287144480), (2, 143572240), (4, 71786120), (5, 57428896), (7, 41020640), (8, 35893060), (10, 28714448), (14, 20510320), (16, 17946530), (20, 14357224), (28, 10255160), (32, 8973265), (35, 8204128), (40, 7178612), (56, 5127580), (70, 4102064), (80, 3589306), (112, 2563790), (140, 2051032), (160, 1794653), (224, 1281895), (280, 1025516), (449, 639520), (560, 512758), (571, 502880), (898, 319760), (1120, 256379), (1142, 251440), (1796, 159880), (2245, 127904), (2284, 125720), (2855, 100576), (3143, 91360), (3592, 79940), (3997, 71840), (4490, 63952), (4568, 62860), (5710, 50288), (6286, 45680), (7184, 39970), (7994, 35920), (8980, 31976), (9136, 31430), (11420, 25144), (12572, 22840), (14368, 19985), (15715, 18272), (15988, 17960)]