645465632

素因数分解:

$2^5\times 7^4\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 120

約数和(自身を含む): 1535933952

約数和(自身を除く): 890468320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 271, 343, 392, 434, 496, 542, 686, 784, 868, 992, 1084, 1372, 1519, 1568, 1736, 1897, 2168, 2401, 2744, 3038, 3472, 3794, 4336, 4802, 5488, 6076, 6944, 7588, 8401, 8672, 9604, 10633, 10976, 12152, 13279, 15176, 16802, 19208, 21266, 24304, 26558, 30352, 33604, 38416, 42532, 48608, 53116, 58807, 60704, 67208, 74431, 76832, 85064, 92953, 106232, 117614, 134416, 148862, 170128, 185906, 212464, 235228, 268832, 297724, 340256, 371812, 411649, 424928, 470456, 595448, 650671, 743624, 823298, 940912, 1190896, 1301342, 1487248, 1646596, 1881824, 2381792, 2602684, 2881543, 2974496, 3293192, 5205368, 5763086, 6586384, 10410736, 11526172, 13172768, 20170801, 20821472, 23052344, 40341602, 46104688, 80683204, 92209376, 161366408, 322732816, 645465632]

約数ペア:

[(1, 645465632), (2, 322732816), (4, 161366408), (7, 92209376), (8, 80683204), (14, 46104688), (16, 40341602), (28, 23052344), (31, 20821472), (32, 20170801), (49, 13172768), (56, 11526172), (62, 10410736), (98, 6586384), (112, 5763086), (124, 5205368), (196, 3293192), (217, 2974496), (224, 2881543), (248, 2602684), (271, 2381792), (343, 1881824), (392, 1646596), (434, 1487248), (496, 1301342), (542, 1190896), (686, 940912), (784, 823298), (868, 743624), (992, 650671), (1084, 595448), (1372, 470456), (1519, 424928), (1568, 411649), (1736, 371812), (1897, 340256), (2168, 297724), (2401, 268832), (2744, 235228), (3038, 212464), (3472, 185906), (3794, 170128), (4336, 148862), (4802, 134416), (5488, 117614), (6076, 106232), (6944, 92953), (7588, 85064), (8401, 76832), (8672, 74431), (9604, 67208), (10633, 60704), (10976, 58807), (12152, 53116), (13279, 48608), (15176, 42532), (16802, 38416), (19208, 33604), (21266, 30352), (24304, 26558)]