1290436840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3299}}^1$

素因数の和:3455

約数の個数: 128

約数和(自身を含む): 3649536000

約数和(自身を除く): 2359099160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 127, 140, 154, 220, 254, 280, 308, 385, 440, 508, 616, 635, 770, 889, 1016, 1270, 1397, 1540, 1778, 2540, 2794, 3080, 3299, 3556, 4445, 5080, 5588, 6598, 6985, 7112, 8890, 9779, 11176, 13196, 13970, 16495, 17780, 19558, 23093, 26392, 27940, 32990, 35560, 36289, 39116, 46186, 48895, 55880, 65980, 72578, 78232, 92372, 97790, 115465, 131960, 145156, 181445, 184744, 195580, 230930, 254023, 290312, 362890, 391160, 418973, 461860, 508046, 725780, 837946, 923720, 1016092, 1270115, 1451560, 1675892, 2032184, 2094865, 2540230, 2932811, 3351784, 4189730, 4608703, 5080460, 5865622, 8379460, 9217406, 10160920, 11731244, 14664055, 16758920, 18434812, 23043515, 23462488, 29328110, 32260921, 36869624, 46087030, 58656220, 64521842, 92174060, 117312440, 129043684, 161304605, 184348120, 258087368, 322609210, 645218420, 1290436840]

約数ペア:

[(1, 1290436840), (2, 645218420), (4, 322609210), (5, 258087368), (7, 184348120), (8, 161304605), (10, 129043684), (11, 117312440), (14, 92174060), (20, 64521842), (22, 58656220), (28, 46087030), (35, 36869624), (40, 32260921), (44, 29328110), (55, 23462488), (56, 23043515), (70, 18434812), (77, 16758920), (88, 14664055), (110, 11731244), (127, 10160920), (140, 9217406), (154, 8379460), (220, 5865622), (254, 5080460), (280, 4608703), (308, 4189730), (385, 3351784), (440, 2932811), (508, 2540230), (616, 2094865), (635, 2032184), (770, 1675892), (889, 1451560), (1016, 1270115), (1270, 1016092), (1397, 923720), (1540, 837946), (1778, 725780), (2540, 508046), (2794, 461860), (3080, 418973), (3299, 391160), (3556, 362890), (4445, 290312), (5080, 254023), (5588, 230930), (6598, 195580), (6985, 184744), (7112, 181445), (8890, 145156), (9779, 131960), (11176, 115465), (13196, 97790), (13970, 92372), (16495, 78232), (17780, 72578), (19558, 65980), (23093, 55880), (26392, 48895), (27940, 46186), (32990, 39116), (35560, 36289)]