991554480

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{65579}}^1$

素因数の和:65608

約数の個数: 160

約数和(自身を含む): 3903321600

約数和(自身を除く): 2911767120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 65579, 131158, 196737, 262316, 327895, 393474, 459053, 524632, 590211, 655790, 786948, 918106, 983685, 1049264, 1180422, 1311580, 1377159, 1573896, 1770633, 1836212, 1967370, 2295265, 2360844, 2623160, 2754318, 2951055, 3147792, 3541266, 3672424, 3934740, 4131477, 4590530, 4721688, 5246320, 5508636, 5902110, 6885795, 7082532, 7344848, 7869480, 8262954, 8853165, 9181060, 9443376, 11017272, 11804220, 12394431, 13771590, 14165064, 15738960, 16525908, 17706330, 18362120, 20657385, 22034544, 23608440, 24788862, 27543180, 28330128, 33051816, 35412660, 36724240, 41314770, 47216880, 49577724, 55086360, 61972155, 66103632, 70825320, 82629540, 99155448, 110172720, 123944310, 141650640, 165259080, 198310896, 247888620, 330518160, 495777240, 991554480]

約数ペア:

[(1, 991554480), (2, 495777240), (3, 330518160), (4, 247888620), (5, 198310896), (6, 165259080), (7, 141650640), (8, 123944310), (9, 110172720), (10, 99155448), (12, 82629540), (14, 70825320), (15, 66103632), (16, 61972155), (18, 55086360), (20, 49577724), (21, 47216880), (24, 41314770), (27, 36724240), (28, 35412660), (30, 33051816), (35, 28330128), (36, 27543180), (40, 24788862), (42, 23608440), (45, 22034544), (48, 20657385), (54, 18362120), (56, 17706330), (60, 16525908), (63, 15738960), (70, 14165064), (72, 13771590), (80, 12394431), (84, 11804220), (90, 11017272), (105, 9443376), (108, 9181060), (112, 8853165), (120, 8262954), (126, 7869480), (135, 7344848), (140, 7082532), (144, 6885795), (168, 5902110), (180, 5508636), (189, 5246320), (210, 4721688), (216, 4590530), (240, 4131477), (252, 3934740), (270, 3672424), (280, 3541266), (315, 3147792), (336, 2951055), (360, 2754318), (378, 2623160), (420, 2360844), (432, 2295265), (504, 1967370), (540, 1836212), (560, 1770633), (630, 1573896), (720, 1377159), (756, 1311580), (840, 1180422), (945, 1049264), (1008, 983685), (1080, 918106), (1260, 786948), (1512, 655790), (1680, 590211), (1890, 524632), (2160, 459053), (2520, 393474), (3024, 327895), (3780, 262316), (5040, 196737), (7560, 131158), (15120, 65579)]