721395072

素因数分解:

$2^7\times 3^8\times {\mathrm{859}}^1$

素因数の和:897

約数の個数: 144

約数和(自身を含む): 2158131300

約数和(自身を除く): 1436736228

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 288, 324, 384, 432, 486, 576, 648, 729, 859, 864, 972, 1152, 1296, 1458, 1718, 1728, 1944, 2187, 2577, 2592, 2916, 3436, 3456, 3888, 4374, 5154, 5184, 5832, 6561, 6872, 7731, 7776, 8748, 10308, 10368, 11664, 13122, 13744, 15462, 15552, 17496, 20616, 23193, 23328, 26244, 27488, 30924, 31104, 34992, 41232, 46386, 46656, 52488, 54976, 61848, 69579, 69984, 82464, 92772, 93312, 104976, 109952, 123696, 139158, 139968, 164928, 185544, 208737, 209952, 247392, 278316, 279936, 329856, 371088, 417474, 419904, 494784, 556632, 626211, 742176, 834948, 839808, 989568, 1113264, 1252422, 1484352, 1669896, 1878633, 2226528, 2504844, 2968704, 3339792, 3757266, 4453056, 5009688, 5635899, 6679584, 7514532, 8906112, 10019376, 11271798, 13359168, 15029064, 20038752, 22543596, 26718336, 30058128, 40077504, 45087192, 60116256, 80155008, 90174384, 120232512, 180348768, 240465024, 360697536, 721395072]

約数ペア:

[(1, 721395072), (2, 360697536), (3, 240465024), (4, 180348768), (6, 120232512), (8, 90174384), (9, 80155008), (12, 60116256), (16, 45087192), (18, 40077504), (24, 30058128), (27, 26718336), (32, 22543596), (36, 20038752), (48, 15029064), (54, 13359168), (64, 11271798), (72, 10019376), (81, 8906112), (96, 7514532), (108, 6679584), (128, 5635899), (144, 5009688), (162, 4453056), (192, 3757266), (216, 3339792), (243, 2968704), (288, 2504844), (324, 2226528), (384, 1878633), (432, 1669896), (486, 1484352), (576, 1252422), (648, 1113264), (729, 989568), (859, 839808), (864, 834948), (972, 742176), (1152, 626211), (1296, 556632), (1458, 494784), (1718, 419904), (1728, 417474), (1944, 371088), (2187, 329856), (2577, 279936), (2592, 278316), (2916, 247392), (3436, 209952), (3456, 208737), (3888, 185544), (4374, 164928), (5154, 139968), (5184, 139158), (5832, 123696), (6561, 109952), (6872, 104976), (7731, 93312), (7776, 92772), (8748, 82464), (10308, 69984), (10368, 69579), (11664, 61848), (13122, 54976), (13744, 52488), (15462, 46656), (15552, 46386), (17496, 41232), (20616, 34992), (23193, 31104), (23328, 30924), (26244, 27488)]