315831906

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 815431680

約数和(自身を除く): 499599774

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 31, 39, 46, 54, 62, 69, 78, 93, 117, 138, 186, 207, 234, 279, 299, 351, 403, 414, 558, 598, 621, 631, 702, 713, 806, 837, 897, 1209, 1242, 1262, 1426, 1674, 1794, 1893, 2139, 2418, 2691, 3627, 3786, 4278, 5382, 5679, 6417, 7254, 8073, 8203, 9269, 10881, 11358, 12834, 14513, 16146, 16406, 17037, 18538, 19251, 19561, 21762, 24609, 27807, 29026, 34074, 38502, 39122, 43539, 49218, 55614, 58683, 73827, 83421, 87078, 117366, 130617, 147654, 166842, 176049, 188669, 221481, 250263, 254293, 261234, 352098, 377338, 391851, 442962, 449903, 500526, 508586, 528147, 566007, 762879, 783702, 899806, 1056294, 1132014, 1349709, 1525758, 1698021, 2288637, 2699418, 3396042, 4049127, 4577274, 5094063, 5848739, 6865911, 8098254, 10188126, 11697478, 12147381, 13731822, 17546217, 24294762, 35092434, 52638651, 105277302, 157915953, 315831906]

約数ペア:

[(1, 315831906), (2, 157915953), (3, 105277302), (6, 52638651), (9, 35092434), (13, 24294762), (18, 17546217), (23, 13731822), (26, 12147381), (27, 11697478), (31, 10188126), (39, 8098254), (46, 6865911), (54, 5848739), (62, 5094063), (69, 4577274), (78, 4049127), (93, 3396042), (117, 2699418), (138, 2288637), (186, 1698021), (207, 1525758), (234, 1349709), (279, 1132014), (299, 1056294), (351, 899806), (403, 783702), (414, 762879), (558, 566007), (598, 528147), (621, 508586), (631, 500526), (702, 449903), (713, 442962), (806, 391851), (837, 377338), (897, 352098), (1209, 261234), (1242, 254293), (1262, 250263), (1426, 221481), (1674, 188669), (1794, 176049), (1893, 166842), (2139, 147654), (2418, 130617), (2691, 117366), (3627, 87078), (3786, 83421), (4278, 73827), (5382, 58683), (5679, 55614), (6417, 49218), (7254, 43539), (8073, 39122), (8203, 38502), (9269, 34074), (10881, 29026), (11358, 27807), (12834, 24609), (14513, 21762), (16146, 19561), (16406, 19251), (17037, 18538)]