320857236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 956067840

約数和(自身を除く): 635210604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 79, 84, 126, 142, 158, 213, 227, 237, 252, 284, 316, 426, 454, 474, 497, 553, 639, 681, 711, 852, 908, 948, 994, 1106, 1278, 1362, 1422, 1491, 1589, 1659, 1988, 2043, 2212, 2556, 2724, 2844, 2982, 3178, 3318, 4086, 4473, 4767, 4977, 5609, 5964, 6356, 6636, 8172, 8946, 9534, 9954, 11218, 14301, 16117, 16827, 17892, 17933, 19068, 19908, 22436, 28602, 32234, 33654, 35866, 39263, 48351, 50481, 53799, 57204, 64468, 67308, 71732, 78526, 96702, 100962, 107598, 112819, 117789, 125531, 145053, 157052, 161397, 193404, 201924, 215196, 225638, 235578, 251062, 290106, 322794, 338457, 353367, 376593, 451276, 471156, 502124, 580212, 645588, 676914, 706734, 753186, 1015371, 1129779, 1273243, 1353828, 1413468, 1506372, 2030742, 2259558, 2546486, 3819729, 4061484, 4519116, 5092972, 7639458, 8912701, 11459187, 15278916, 17825402, 22918374, 26738103, 35650804, 45836748, 53476206, 80214309, 106952412, 160428618, 320857236]

約数ペア:

[(1, 320857236), (2, 160428618), (3, 106952412), (4, 80214309), (6, 53476206), (7, 45836748), (9, 35650804), (12, 26738103), (14, 22918374), (18, 17825402), (21, 15278916), (28, 11459187), (36, 8912701), (42, 7639458), (63, 5092972), (71, 4519116), (79, 4061484), (84, 3819729), (126, 2546486), (142, 2259558), (158, 2030742), (213, 1506372), (227, 1413468), (237, 1353828), (252, 1273243), (284, 1129779), (316, 1015371), (426, 753186), (454, 706734), (474, 676914), (497, 645588), (553, 580212), (639, 502124), (681, 471156), (711, 451276), (852, 376593), (908, 353367), (948, 338457), (994, 322794), (1106, 290106), (1278, 251062), (1362, 235578), (1422, 225638), (1491, 215196), (1589, 201924), (1659, 193404), (1988, 161397), (2043, 157052), (2212, 145053), (2556, 125531), (2724, 117789), (2844, 112819), (2982, 107598), (3178, 100962), (3318, 96702), (4086, 78526), (4473, 71732), (4767, 67308), (4977, 64468), (5609, 57204), (5964, 53799), (6356, 50481), (6636, 48351), (8172, 39263), (8946, 35866), (9534, 33654), (9954, 32234), (11218, 28602), (14301, 22436), (16117, 19908), (16827, 19068), (17892, 17933)]