491377320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{64997}}^1$

素因数の和:65024

約数の個数: 128

約数和(自身を含む): 1871942400

約数和(自身を除く): 1380565080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 64997, 129994, 194991, 259988, 324985, 389982, 454979, 519976, 584973, 649970, 779964, 909958, 974955, 1169946, 1299940, 1364937, 1559928, 1754919, 1819916, 1949910, 2274895, 2339892, 2599880, 2729874, 2924865, 3509838, 3639832, 3899820, 4094811, 4549790, 4679784, 5459748, 5849730, 6824685, 7019676, 7799640, 8189622, 8774595, 9099580, 10919496, 11699460, 12284433, 13649370, 14039352, 16379244, 17549190, 18199160, 20474055, 23398920, 24568866, 27298740, 32758488, 35098380, 40948110, 49137732, 54597480, 61422165, 70196760, 81896220, 98275464, 122844330, 163792440, 245688660, 491377320]

約数ペア:

[(1, 491377320), (2, 245688660), (3, 163792440), (4, 122844330), (5, 98275464), (6, 81896220), (7, 70196760), (8, 61422165), (9, 54597480), (10, 49137732), (12, 40948110), (14, 35098380), (15, 32758488), (18, 27298740), (20, 24568866), (21, 23398920), (24, 20474055), (27, 18199160), (28, 17549190), (30, 16379244), (35, 14039352), (36, 13649370), (40, 12284433), (42, 11699460), (45, 10919496), (54, 9099580), (56, 8774595), (60, 8189622), (63, 7799640), (70, 7019676), (72, 6824685), (84, 5849730), (90, 5459748), (105, 4679784), (108, 4549790), (120, 4094811), (126, 3899820), (135, 3639832), (140, 3509838), (168, 2924865), (180, 2729874), (189, 2599880), (210, 2339892), (216, 2274895), (252, 1949910), (270, 1819916), (280, 1754919), (315, 1559928), (360, 1364937), (378, 1299940), (420, 1169946), (504, 974955), (540, 909958), (630, 779964), (756, 649970), (840, 584973), (945, 519976), (1080, 454979), (1260, 389982), (1512, 324985), (1890, 259988), (2520, 194991), (3780, 129994), (7560, 64997)]