72149896

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 180633600

約数和(自身を除く): 108483704

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 31, 46, 52, 56, 62, 91, 92, 104, 124, 139, 161, 182, 184, 217, 248, 278, 299, 322, 364, 403, 434, 556, 598, 644, 713, 728, 806, 868, 973, 1112, 1196, 1288, 1426, 1612, 1736, 1807, 1946, 2093, 2392, 2821, 2852, 3197, 3224, 3614, 3892, 4186, 4309, 4991, 5642, 5704, 6394, 7228, 7784, 8372, 8618, 9269, 9982, 11284, 12649, 12788, 14456, 16744, 17236, 18538, 19964, 22379, 22568, 25298, 25576, 30163, 34472, 37076, 39928, 41561, 44758, 50596, 56017, 60326, 64883, 74152, 83122, 89516, 99107, 101192, 112034, 120652, 129766, 166244, 179032, 198214, 224068, 241304, 259532, 290927, 332488, 392119, 396428, 448136, 519064, 581854, 693749, 784238, 792856, 1163708, 1288391, 1387498, 1568476, 2327416, 2576782, 2774996, 3136952, 5153564, 5549992, 9018737, 10307128, 18037474, 36074948, 72149896]

約数ペア:

[(1, 72149896), (2, 36074948), (4, 18037474), (7, 10307128), (8, 9018737), (13, 5549992), (14, 5153564), (23, 3136952), (26, 2774996), (28, 2576782), (31, 2327416), (46, 1568476), (52, 1387498), (56, 1288391), (62, 1163708), (91, 792856), (92, 784238), (104, 693749), (124, 581854), (139, 519064), (161, 448136), (182, 396428), (184, 392119), (217, 332488), (248, 290927), (278, 259532), (299, 241304), (322, 224068), (364, 198214), (403, 179032), (434, 166244), (556, 129766), (598, 120652), (644, 112034), (713, 101192), (728, 99107), (806, 89516), (868, 83122), (973, 74152), (1112, 64883), (1196, 60326), (1288, 56017), (1426, 50596), (1612, 44758), (1736, 41561), (1807, 39928), (1946, 37076), (2093, 34472), (2392, 30163), (2821, 25576), (2852, 25298), (3197, 22568), (3224, 22379), (3614, 19964), (3892, 18538), (4186, 17236), (4309, 16744), (4991, 14456), (5642, 12788), (5704, 12649), (6394, 11284), (7228, 9982), (7784, 9269), (8372, 8618)]