318215280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2953}}^1$

素因数の和:3418

約数の個数: 80

約数和(自身を含む): 988999200

約数和(自身を除く): 670783920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 449, 898, 1347, 1796, 2245, 2694, 2953, 3592, 4490, 5388, 5906, 6735, 7184, 8859, 8980, 10776, 11812, 13470, 14765, 17718, 17960, 21552, 23624, 26940, 29530, 35436, 35920, 44295, 47248, 53880, 59060, 70872, 88590, 107760, 118120, 141744, 177180, 236240, 354360, 708720, 1325897, 2651794, 3977691, 5303588, 6629485, 7955382, 10607176, 13258970, 15910764, 19888455, 21214352, 26517940, 31821528, 39776910, 53035880, 63643056, 79553820, 106071760, 159107640, 318215280]

約数ペア:

[(1, 318215280), (2, 159107640), (3, 106071760), (4, 79553820), (5, 63643056), (6, 53035880), (8, 39776910), (10, 31821528), (12, 26517940), (15, 21214352), (16, 19888455), (20, 15910764), (24, 13258970), (30, 10607176), (40, 7955382), (48, 6629485), (60, 5303588), (80, 3977691), (120, 2651794), (240, 1325897), (449, 708720), (898, 354360), (1347, 236240), (1796, 177180), (2245, 141744), (2694, 118120), (2953, 107760), (3592, 88590), (4490, 70872), (5388, 59060), (5906, 53880), (6735, 47248), (7184, 44295), (8859, 35920), (8980, 35436), (10776, 29530), (11812, 26940), (13470, 23624), (14765, 21552), (17718, 17960)]