642016536

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1447}}^1$

素因数の和:1621

約数の個数: 128

約数和(自身を含む): 1946112000

約数和(自身を除く): 1304095464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 139, 152, 168, 228, 266, 278, 399, 417, 456, 532, 556, 798, 834, 973, 1064, 1112, 1447, 1596, 1668, 1946, 2641, 2894, 2919, 3192, 3336, 3892, 4341, 5282, 5788, 5838, 7784, 7923, 8682, 10129, 10564, 11576, 11676, 15846, 17364, 18487, 20258, 21128, 23352, 27493, 30387, 31692, 34728, 36974, 40516, 54986, 55461, 60774, 63384, 73948, 81032, 82479, 109972, 110922, 121548, 147896, 164958, 192451, 201133, 219944, 221844, 243096, 329916, 384902, 402266, 443688, 577353, 603399, 659832, 769804, 804532, 1154706, 1206798, 1407931, 1539608, 1609064, 2309412, 2413596, 2815862, 3821527, 4223793, 4618824, 4827192, 5631724, 7643054, 8447586, 11263448, 11464581, 15286108, 16895172, 22929162, 26750689, 30572216, 33790344, 45858324, 53501378, 80252067, 91716648, 107002756, 160504134, 214005512, 321008268, 642016536]

約数ペア:

[(1, 642016536), (2, 321008268), (3, 214005512), (4, 160504134), (6, 107002756), (7, 91716648), (8, 80252067), (12, 53501378), (14, 45858324), (19, 33790344), (21, 30572216), (24, 26750689), (28, 22929162), (38, 16895172), (42, 15286108), (56, 11464581), (57, 11263448), (76, 8447586), (84, 7643054), (114, 5631724), (133, 4827192), (139, 4618824), (152, 4223793), (168, 3821527), (228, 2815862), (266, 2413596), (278, 2309412), (399, 1609064), (417, 1539608), (456, 1407931), (532, 1206798), (556, 1154706), (798, 804532), (834, 769804), (973, 659832), (1064, 603399), (1112, 577353), (1447, 443688), (1596, 402266), (1668, 384902), (1946, 329916), (2641, 243096), (2894, 221844), (2919, 219944), (3192, 201133), (3336, 192451), (3892, 164958), (4341, 147896), (5282, 121548), (5788, 110922), (5838, 109972), (7784, 82479), (7923, 81032), (8682, 73948), (10129, 63384), (10564, 60774), (11576, 55461), (11676, 54986), (15846, 40516), (17364, 36974), (18487, 34728), (20258, 31692), (21128, 30387), (23352, 27493)]