128520390544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1\times {\mathrm{54521}}^1$

素因数の和:56168

約数の個数: 80

約数和(自身を含む): 306666622080

約数和(自身を除く): 178146231536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1619, 3238, 6476, 11333, 12952, 21047, 22666, 25904, 42094, 45332, 54521, 84188, 90664, 109042, 147329, 168376, 181328, 218084, 294658, 336752, 381647, 436168, 589316, 708773, 763294, 872336, 1178632, 1417546, 1526588, 2357264, 2835092, 3053176, 4961411, 5670184, 6106352, 9922822, 11340368, 19845644, 39691288, 79382576, 88269499, 176538998, 353077996, 617886493, 706155992, 1147503487, 1235772986, 1412311984, 2295006974, 2471545972, 4590013948, 4943091944, 8032524409, 9180027896, 9886183888, 16065048818, 18360055792, 32130097636, 64260195272, 128520390544]

約数ペア:

[(1, 128520390544), (2, 64260195272), (4, 32130097636), (7, 18360055792), (8, 16065048818), (13, 9886183888), (14, 9180027896), (16, 8032524409), (26, 4943091944), (28, 4590013948), (52, 2471545972), (56, 2295006974), (91, 1412311984), (104, 1235772986), (112, 1147503487), (182, 706155992), (208, 617886493), (364, 353077996), (728, 176538998), (1456, 88269499), (1619, 79382576), (3238, 39691288), (6476, 19845644), (11333, 11340368), (12952, 9922822), (21047, 6106352), (22666, 5670184), (25904, 4961411), (42094, 3053176), (45332, 2835092), (54521, 2357264), (84188, 1526588), (90664, 1417546), (109042, 1178632), (147329, 872336), (168376, 763294), (181328, 708773), (218084, 589316), (294658, 436168), (336752, 381647)]