256637370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 724520160

約数和(自身を除く): 467882790

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 61, 66, 95, 110, 114, 121, 122, 165, 183, 190, 209, 242, 285, 305, 330, 363, 366, 418, 570, 605, 610, 627, 671, 726, 915, 1045, 1159, 1210, 1254, 1342, 1815, 1830, 2013, 2090, 2299, 2318, 3135, 3355, 3477, 3630, 3721, 4026, 4598, 5795, 6270, 6710, 6897, 6954, 7381, 7442, 10065, 11163, 11495, 11590, 12749, 13794, 14762, 17385, 18605, 20130, 22143, 22326, 22990, 25498, 34485, 34770, 36905, 37210, 38247, 40931, 44286, 55815, 63745, 68970, 70699, 73810, 76494, 81862, 110715, 111630, 122793, 127490, 140239, 141398, 191235, 204655, 212097, 221430, 245586, 280478, 353495, 382470, 409310, 420717, 424194, 450241, 613965, 701195, 706990, 777689, 841434, 900482, 1060485, 1227930, 1350723, 1402390, 1555378, 2103585, 2120970, 2251205, 2333067, 2701446, 3888445, 4207170, 4502410, 4666134, 6753615, 7776890, 8554579, 11665335, 13507230, 17109158, 23330670, 25663737, 42772895, 51327474, 85545790, 128318685, 256637370]

約数ペア:

[(1, 256637370), (2, 128318685), (3, 85545790), (5, 51327474), (6, 42772895), (10, 25663737), (11, 23330670), (15, 17109158), (19, 13507230), (22, 11665335), (30, 8554579), (33, 7776890), (38, 6753615), (55, 4666134), (57, 4502410), (61, 4207170), (66, 3888445), (95, 2701446), (110, 2333067), (114, 2251205), (121, 2120970), (122, 2103585), (165, 1555378), (183, 1402390), (190, 1350723), (209, 1227930), (242, 1060485), (285, 900482), (305, 841434), (330, 777689), (363, 706990), (366, 701195), (418, 613965), (570, 450241), (605, 424194), (610, 420717), (627, 409310), (671, 382470), (726, 353495), (915, 280478), (1045, 245586), (1159, 221430), (1210, 212097), (1254, 204655), (1342, 191235), (1815, 141398), (1830, 140239), (2013, 127490), (2090, 122793), (2299, 111630), (2318, 110715), (3135, 81862), (3355, 76494), (3477, 73810), (3630, 70699), (3721, 68970), (4026, 63745), (4598, 55815), (5795, 44286), (6270, 40931), (6710, 38247), (6897, 37210), (6954, 36905), (7381, 34770), (7442, 34485), (10065, 25498), (11163, 22990), (11495, 22326), (11590, 22143), (12749, 20130), (13794, 18605), (14762, 17385)]