166390840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 472780800

約数和(自身を除く): 306389960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 110, 140, 154, 178, 220, 280, 308, 356, 385, 440, 445, 607, 616, 623, 712, 770, 890, 979, 1214, 1246, 1540, 1780, 1958, 2428, 2492, 3035, 3080, 3115, 3560, 3916, 4249, 4856, 4895, 4984, 6070, 6230, 6677, 6853, 7832, 8498, 9790, 12140, 12460, 13354, 13706, 16996, 19580, 21245, 24280, 24920, 26708, 27412, 33385, 33992, 34265, 39160, 42490, 46739, 53416, 54023, 54824, 66770, 68530, 84980, 93478, 108046, 133540, 137060, 169960, 186956, 216092, 233695, 267080, 270115, 274120, 373912, 378161, 432184, 467390, 540230, 594253, 756322, 934780, 1080460, 1188506, 1512644, 1869560, 1890805, 2160920, 2377012, 2971265, 3025288, 3781610, 4159771, 4754024, 5942530, 7563220, 8319542, 11885060, 15126440, 16639084, 20798855, 23770120, 33278168, 41597710, 83195420, 166390840]

約数ペア:

[(1, 166390840), (2, 83195420), (4, 41597710), (5, 33278168), (7, 23770120), (8, 20798855), (10, 16639084), (11, 15126440), (14, 11885060), (20, 8319542), (22, 7563220), (28, 5942530), (35, 4754024), (40, 4159771), (44, 3781610), (55, 3025288), (56, 2971265), (70, 2377012), (77, 2160920), (88, 1890805), (89, 1869560), (110, 1512644), (140, 1188506), (154, 1080460), (178, 934780), (220, 756322), (280, 594253), (308, 540230), (356, 467390), (385, 432184), (440, 378161), (445, 373912), (607, 274120), (616, 270115), (623, 267080), (712, 233695), (770, 216092), (890, 186956), (979, 169960), (1214, 137060), (1246, 133540), (1540, 108046), (1780, 93478), (1958, 84980), (2428, 68530), (2492, 66770), (3035, 54824), (3080, 54023), (3115, 53416), (3560, 46739), (3916, 42490), (4249, 39160), (4856, 34265), (4895, 33992), (4984, 33385), (6070, 27412), (6230, 26708), (6677, 24920), (6853, 24280), (7832, 21245), (8498, 19580), (9790, 16996), (12140, 13706), (12460, 13354)]