289521720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8291}}^1$

素因数の和:8405

約数の個数: 96

約数和(自身を含む): 950760720

約数和(自身を除く): 661239000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 873, 970, 1164, 1455, 1746, 1940, 2328, 2910, 3492, 3880, 4365, 5820, 6984, 8291, 8730, 11640, 16582, 17460, 24873, 33164, 34920, 41455, 49746, 66328, 74619, 82910, 99492, 124365, 149238, 165820, 198984, 248730, 298476, 331640, 373095, 497460, 596952, 746190, 804227, 994920, 1492380, 1608454, 2412681, 2984760, 3216908, 4021135, 4825362, 6433816, 7238043, 8042270, 9650724, 12063405, 14476086, 16084540, 19301448, 24126810, 28952172, 32169080, 36190215, 48253620, 57904344, 72380430, 96507240, 144760860, 289521720]

約数ペア:

[(1, 289521720), (2, 144760860), (3, 96507240), (4, 72380430), (5, 57904344), (6, 48253620), (8, 36190215), (9, 32169080), (10, 28952172), (12, 24126810), (15, 19301448), (18, 16084540), (20, 14476086), (24, 12063405), (30, 9650724), (36, 8042270), (40, 7238043), (45, 6433816), (60, 4825362), (72, 4021135), (90, 3216908), (97, 2984760), (120, 2412681), (180, 1608454), (194, 1492380), (291, 994920), (360, 804227), (388, 746190), (485, 596952), (582, 497460), (776, 373095), (873, 331640), (970, 298476), (1164, 248730), (1455, 198984), (1746, 165820), (1940, 149238), (2328, 124365), (2910, 99492), (3492, 82910), (3880, 74619), (4365, 66328), (5820, 49746), (6984, 41455), (8291, 34920), (8730, 33164), (11640, 24873), (16582, 17460)]