128842980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 431972352

約数和(自身を除く): 303129372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 61, 70, 84, 94, 105, 107, 122, 140, 141, 183, 188, 210, 214, 235, 244, 282, 305, 321, 329, 366, 420, 427, 428, 470, 535, 564, 610, 642, 658, 705, 732, 749, 854, 915, 940, 987, 1070, 1220, 1281, 1284, 1316, 1410, 1498, 1605, 1645, 1708, 1830, 1974, 2135, 2140, 2247, 2562, 2820, 2867, 2996, 3210, 3290, 3660, 3745, 3948, 4270, 4494, 4935, 5029, 5124, 5734, 6405, 6420, 6527, 6580, 7490, 8540, 8601, 8988, 9870, 10058, 11235, 11468, 12810, 13054, 14335, 14980, 15087, 17202, 19581, 19740, 20069, 20116, 22470, 25145, 25620, 26108, 28670, 30174, 32635, 34404, 35203, 39162, 40138, 43005, 44940, 45689, 50290, 57340, 60207, 60348, 65270, 70406, 75435, 78324, 80276, 86010, 91378, 97905, 100345, 100580, 105609, 120414, 130540, 137067, 140812, 150870, 172020, 176015, 182756, 195810, 200690, 211218, 228445, 240828, 274134, 301035, 301740, 306769, 352030, 391620, 401380, 422436, 456890, 528045, 548268, 602070, 613538, 685335, 704060, 913780, 920307, 1056090, 1204140, 1227076, 1370670, 1533845, 1840614, 2112180, 2147383, 2741340, 3067690, 3681228, 4294766, 4601535, 6135380, 6442149, 8589532, 9203070, 10736915, 12884298, 18406140, 21473830, 25768596, 32210745, 42947660, 64421490, 128842980]

約数ペア:

[(1, 128842980), (2, 64421490), (3, 42947660), (4, 32210745), (5, 25768596), (6, 21473830), (7, 18406140), (10, 12884298), (12, 10736915), (14, 9203070), (15, 8589532), (20, 6442149), (21, 6135380), (28, 4601535), (30, 4294766), (35, 3681228), (42, 3067690), (47, 2741340), (60, 2147383), (61, 2112180), (70, 1840614), (84, 1533845), (94, 1370670), (105, 1227076), (107, 1204140), (122, 1056090), (140, 920307), (141, 913780), (183, 704060), (188, 685335), (210, 613538), (214, 602070), (235, 548268), (244, 528045), (282, 456890), (305, 422436), (321, 401380), (329, 391620), (366, 352030), (420, 306769), (427, 301740), (428, 301035), (470, 274134), (535, 240828), (564, 228445), (610, 211218), (642, 200690), (658, 195810), (705, 182756), (732, 176015), (749, 172020), (854, 150870), (915, 140812), (940, 137067), (987, 130540), (1070, 120414), (1220, 105609), (1281, 100580), (1284, 100345), (1316, 97905), (1410, 91378), (1498, 86010), (1605, 80276), (1645, 78324), (1708, 75435), (1830, 70406), (1974, 65270), (2135, 60348), (2140, 60207), (2247, 57340), (2562, 50290), (2820, 45689), (2867, 44940), (2996, 43005), (3210, 40138), (3290, 39162), (3660, 35203), (3745, 34404), (3948, 32635), (4270, 30174), (4494, 28670), (4935, 26108), (5029, 25620), (5124, 25145), (5734, 22470), (6405, 20116), (6420, 20069), (6527, 19740), (6580, 19581), (7490, 17202), (8540, 15087), (8601, 14980), (8988, 14335), (9870, 13054), (10058, 12810), (11235, 11468)]